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OPEN BAG - SEALY® Posturepedic Plus® 1200 Series 12" Firm Euro Top Mattress - King

Sealy® Posturepedic® Plus elevates the trusted Posturepedic support with enhanced features and luxury materials. Enjoy deeper pressure relief, sturdier coils, and cooling upgrades in this collection – perfect for Canadians seeking an upgraded sleep experience.

Top Features

Add To Compare

– CleanProtect™ Cover

– Sealy AirSense™ Fibres Topped with SealyIce™ Yarn

– CertiPUR-US™ SealyComfort™ Gel HD Foam

– Posture Grid® Coil System featuring PostureSense™ Nano Coils

– SolidEdge™ PRO

– PROBACK® Plus Quilt with Targeted GelSense™ HD Memory Foam

Our Price: $1,149.00

$919.20

Retail Price $2,299.00

Out of stock

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Our Guarantees

+ Learn More About Open Bag items

+ Full Manufacturer’s Warranty

+ Price Match Guarantee

+ Made in Canada

➜ Not sure which mattress is best for you? Try our MATTRESS SELECTOR to help you decide!

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OPEN BAG - SEALY® Posturepedic Plus® 1200 Series 12" Firm Euro Top Mattress - King

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Euro-top/Pillow-Top, Pocket Coil, Hybrid, King Size Mattress, Sealy Mattress Sale, Buy in Toronto, Mississauga, Markham or Online-1

Euro-top/Pillow-Top, Pocket Coil, Hybrid, King Size Mattress, Sealy Mattress Sale, Buy in Toronto, Mississauga, Markham or Online-2

Euro-top/Pillow-Top, Pocket Coil, Hybrid, King Size Mattress, Sealy Mattress Sale, Buy in Toronto, Mississauga, Markham or Online-3

Euro-top/Pillow-Top, Pocket Coil, Hybrid, King Size Mattress, Sealy Mattress Sale, Buy in Toronto, Mississauga, Markham or Online-4

Euro-top/Pillow-Top, Pocket Coil, Hybrid, King Size Mattress, Sealy Mattress Sale, Buy in Toronto, Mississauga, Markham or Online-5

Euro-top/Pillow-Top, Pocket Coil, Hybrid, King Size Mattress, Sealy Mattress Sale, Buy in Toronto, Mississauga, Markham or Online-6

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Style	Euro-top/Pillow-Top, Pocket Coil, Hybrid
Firmness	Firm
Coil Count	1500
Coil Type	Posture Grid® Coil System featuring PostureSense™ Nano Coils
Core Type	Coils
Core Density	N/A
Height	12 Inches

Collection	Sealy® Posturepedic® Plus
Model	Sylvie - King
Warranty	10 Year Warranty
Condition	Open Bag Item - Clearance

Comfort Scale

Soft
Medium
Firm
Extra Firm

Comfort IQ™: This mattress firmness is accurate with the manufacturer’s description and comparable to other firm mattresses.

Recommended For: Back Sleepers, Stomach Sleepers

Our Guarantees

+ Learn More About Open Bag items

+ Full Manufacturer’s Warranty

+ Price Match Guarantee

+ Made in Canada

➜ Not sure which mattress is best for you? Try our MATTRESS SELECTOR to help you decide!

➜ See our REVIEWS from verified customers!

Description

Open Bag - Sealy Posturepedic Plus 1200 Series 12" Firm Euro Top Mattress - King: Indulge in Cloud-Like Comfort Every Night

Elevate your sleep experience with the Sealy Posturepedic 1200 Series Eurotop Firm Mattress, where every night turns into a journey of relaxation and rejuvenation. This thoughtfully engineered mattress combines a CleanProtect Cover for hygiene, state-of-the-art cooling technologies, and a supportive coil structure for an extraordinary sleep experience tailored to your needs.

Key Features

CleanProtect Cover: This specially treated fabric helps fight against bacteria and unwanted stains, ensuring a clean and refreshing sleep surface night after night.
Cooling Comfort: Sealy AirSense Fibres interwoven with SealyIce yarn create an ultra-soft layer that enhances airflow, allowing you to enjoy a breezy and cool sensation throughout your sleep.
CertiPUR-US SealyComfort Gel HD Foam: Enjoy personalized comfort as this high-density gel foam intuitively conforms to your body's shape for ideal support, eliminating pressure points.
Posture Grid Coil System: Expertly designed with individually wrapped coils, this system minimizes motion transfer and provides exceptional support exactly where you need it the most, especially in the center third.
SolidEdge PRO: Enhanced edge support increases your usable sleep surface, making it easier to get in and out of bed without compromising stability.
PROBACK Plus Quilt: Engineered with Targeted GelSense HD Memory Foam, this layer adapts perfectly to your unique contours, providing luxury and enhanced flexibility for your nighttime comfort.

Benefits

Exceptional Motion Isolation: Experience uninterrupted sleep with the advanced coil design that ensures minimal movement transfer, keeping you and your partner peacefully asleep.
Refreshing Sleep Environment: Thanks to the innovative cooling technologies, you'll drift off into a cool oasis, ensuring comfort even on warmer nights, with each sleep more refreshing than the last.
Robust Edge Support: With SolidEdge PRO technology, feel confident using the entire mattress surface for lounging or sleeping, maximizing your sleep space and comfort.
Craftsmanship You Can Trust: Proudly constructed in Canada with a blend of domestic quality and imported components, you’re guaranteed a reliable mattress designed to offer lasting luxury.

Ideal For

This mattress is an excellent choice for all sleep styles—whether you’re a back, side, or stomach sleeper, the Sealy Posturepedic 1200 Series Eurotop Firm Mattress provides the support and comfort necessary for rejuvenating rest each night. Ideal for couples or solo sleepers who value a quality blend of luxury and durability.

Details

Dimensions: 76″ x 80″ (inches) – 193cm x 203cm (centimeters)
Profile Height: 12 inches of luxurious layering
Firmness: Firm, perfect for those who prefer sturdy support
Coil Count: Featuring up to 1500 coils for enhanced comfort
Warranty: Comes with a full manufacturer's warranty to offer peace of mind
Guarantees: Benefit from free next day delivery, a 100 night sleep trial, and a price match guarantee
Cover Material: Crafted with CleanProtect Fabric for a healthy sleep environment
Style: A blend of Euro-top/Pillow-Top, Pocket Coil, and Hybrid design for ultimate comfort

Transform your nightly routine with the Sealy Posturepedic 1200 Series Eurotop Firm Mattress, where sophisticated design meets premium comfort. Indulge in restorative sleep every night, and wake up feeling revitalized and ready to embrace the day ahead. Discover the unmatched softness and steadfast support this mattress promises for many comforting nights to come.

Specifications

More Information
Mattress Size	King
Mattress Type	Euro-top /Pillow-Top, Pocket Coil, Hybrid
Features	Cooling Technology , Temperature Regulating, Breathable, Low Motion Transfer, Pressure Point Relief, Zoned Lumbar Support, Edge Support, Antimicrobial Fabrics, Compatible with Adjustable Bed Base
Trending & Offers	Clearance , Limited Stock
Firmness	Firm
Coil Count	1500
Coil Type	Posture Grid® Coil System featuring PostureSense™ Nano Coils
Coil Gauge	13 3/4
Core Type	Coils
Core Material	Heat-Tempered Drawn Spring Steel
Brands	Sealy
Price Range	Premium
Model	Sylvie - King
Collection	Sealy® Posturepedic® Plus
Condition	Open Bag Item - Clearance
Warranty	10 Year Warranty
Sleep Position	Back Sleepers, Stomach Sleepers
Cover Material	CleanProtect™ Fabric
Colour	White, Blue
Quilt	Sealy AirSense™ Fibres Topped with SealyIce™ Yarn
Comfort Layers	0.75" SealyComfort™ HD Foam + 1" SealyComfort™ Gel HD Foam
Support Layers	PROBACK® Plus Quilt with Targeted GelSense™ HD Memory Foam
Mattress Core	Posture Grid® Coil System featuring PostureSense™ Nano Coils with SolidEdge™ PRO + 1.25" SolidBase™
Mattress Height in Inches	12 .00 Inches
Additional Features	Made in Canada with Domestic & Imported Parts
Certifications	CertiPUR-US® certified foams.
Compatible With Adjustable Beds	Yes
Vented	Yes
Removable Cover	No
Handles	No
Care Instruction	Spot clean. Mattress protector recommended.
Country of Origin	Canada
Manufacturer Contact Information	http://www.sealycanada.com/
King Size Coil Count	1500
King Size Dimensions	76″ x 80″ (inches) – 193cm x 203cm (centimeters)
Custom Sizes Available	No
Product Length (inches)	80 in
Product Width (inches)	76 in
Product Height (inches)	12 in
Product Weight (lb)	145.000000
Product Length (cm)	203.2 cm
Product Width (cm)	193 cm
Product Height (cm)	30.5 cm
Product Weight (kg)	65.8 kg
Product Barcode	2000575006368
Product Code	531819
Product Model Code	SEALY-SYLVIE
Product SKU	SEALY-SYLVIE-KING-OPENBAG
Product Category	Mattress
Product Sub Category Tier	Premium - Level 2
Product Type	Mattress - Pocket Coil
Product Sub Type	Eurotop/Pillowtop

More Info.

Sealy Mattress Company: Overview and History

Founded in 1881 in Sealy, Texas, Sealy Mattress Company has grown from a small, one-man operation to one of the largest mattress brands in the world. The company began when Daniel Haynes, a cotton gin builder, started making cotton-filled mattresses for his friends. Over time, his innovation and craftsmanship led to the development of the first mattresses made with compressed cotton, setting a new standard in comfort.

In 1950, Sealy took comfort to the next level with the introduction of the Posturepedic mattress, designed in cooperation with orthopedic surgeons to ensure a night's sleep that was both supportive and comfortable. This innovation cemented Sealy’s reputation as a leader in mattress technology.

Today, Sealy continues to innovate, combining science with quality craftsmanship. The company's commitment to comfort, support, and quality is evident in its wide range of mattresses that cater to various preferences and sleep styles.

Product Philosophy and Commitment

Sealy is dedicated to helping the world sleep better. With over a century of experience, Sealy mattresses are designed to deliver the perfect blend of comfort and support at a great value. The company invests in research and science to ensure that each mattress it produces meets rigorous standards for quality and performance.

Sustainability and Social Responsibility

Sealy is committed to sustainability and environmental stewardship. It uses environmentally friendly materials and processes wherever possible and strives to minimize its environmental footprint through waste reduction and energy efficiency initiatives. The company also places a high priority on ethical business practices and community involvement, contributing to various social causes to improve the quality of life in the communities where it operates.

Whether you're looking for cutting-edge technology in a mattress or the dependable comfort of a traditional innerspring, Sealy offers a variety of products to help you find the perfect night's sleep.

For more information, please visit www.sealycanada.com.

Delivery Options

Greater Toronto Area and Ontario Delivery Map

What’s Included

We offer FREE DELIVERY to all major cities in Ontario and the surrounding area on orders over $199. A delivery surcharge of $45 applies to orders under $199.

Select your delivery date at checkout (if applicable) and add any special instructions in the order comments (e.g., “Ring Buzzer #1234”). If a date isn’t shown or selected at checkout, you’ll receive an email with scheduling options. Day‑of, you’ll get a text and email with a 2‑hour window and live tracking. Estimates apply to in‑stock items; rural or weather‑affected addresses may require extra time.

Greater Toronto Area and Ontario Free Mattress Delivery Map

Ontario Local Delivery Areas

Next‑day available

Halton Region

Burlington • Oakville • Milton • Georgetown • Halton Hills

Next‑day available

Peel Region

Mississauga • Brampton • Caledon

Next‑day available

City of Toronto

York • Including Downtown Core

Next‑day available

York Region

Vaughan • King • Richmond Hill • North York • Aurora • Newmarket • Markham • Scarborough

Next‑day available

Durham Region

Pickering • Ajax • Whitby • Oshawa • Whitchurch‑Stouffville

Next‑day available

Waterloo Region

Guelph • Kitchener • Cambridge • Waterloo

Next‑day available

Hamilton

Including Dundas • Grimsby • Stoney Creek • Ancaster

1–3 days on average

Niagara

Niagara Falls • Niagara‑on‑the‑Lake • St. Catharines • Thorold • Welland

Next‑day & 1–3 days

Simcoe Region

Barrie • Innisfil • Orillia • Midland • Collingwood • Bradford • Washago and more

1–3 days on average

Northern &
Eastern Ontario

Cobourg • Peterborough • Kawartha Lakes • Minden • Haliburton • Port Perry • Bowmanville and more

1–3 days on average

Western Ontario

London • Stratford • Woodstock • Brantford • Grand Bend • Port Elgin • Tobermory and more

Need delivery outside the GTA?

We also ship to all provinces in Canada at competitive rates (territories excluded). Enter your postal code at the top of the website to see what’s available.

Ready to Sleep Better?

Shop online 24/7 or visit any National Mattress location across Ontario. Spend $199+ and relax—your new mattress will arrive quickly and free of charge locally, or ship fast across Canada.

Shop Mattresses

Frequently Asked Questions

Where does National Mattress offer free local delivery?

We offer FREE local delivery to major cities across Ontario on orders of $199+. Check the region cards above for specific cities.

Do you ship mattresses across Canada?

Yes. We ship select roll‑packed mattresses to all provinces (YT, NT, NU excluded). Transit times range from 1–2 days in ON & QC to 3–4 days in BC and NL after shipping.

Is next‑day delivery available in the GTA?

Yes. FREE next‑day local delivery is available in many GTA and surrounding areas, subject to inventory and cutoff times.

What if my Ontario local order total is under $199?

A $45 delivery surcharge applies to orders under $199.

How do I schedule or change my delivery date?

Select a date at checkout. If a chosen date isn’t available, you’ll receive an email proposing an alternative—simply reply to reschedule. In‑store purchases can be scheduled at the time of sale.

Will I get tracking updates?

Yes. Local deliveries include day‑of text/e‑mail with a 2‑hour window plus live GPS tracking. Canada‑wide shipments include a courier tracking number once picked up.

Do you deliver to Yukon, Nunavut, or the Northwest Territories?

No. We currently do not deliver to YT, NU, or NT.

Need help? 1‑800‑631‑4883 [email protected]

Product Questions (35)

Customer Questions

What materials are used in Sealy mattresses?

Sealy mattresses use a combination of materials such as steel coils, polyurethane foams, memory foams, gel-infused foams, and performance fabrics. Higher-end models may feature more advanced foam formulations, zoned coil units, or specialty comfort ...

What comfort and support materials are used with the pocket coils in this mattress?

This pocket coil mattress pairs its individually wrapped coil core with specific comfort materials such as memory foam, latex, or high-density foam to balance pressure relief and support. See the construction and materials section on the product page...

What materials are in the Euro-top and support core of this mattress?

This Euro-top mattress uses specific comfort materials in the integrated top layer such as foam, fiber, or latex paired with a supportive core made from coils or dense foam. See the construction and materials section on the product page for a detailed...

What accessories work well with Sealy mattresses?

Commonly paired accessories for Sealy mattresses include supportive foundations or adjustable bases, quality mattress protectors, appropriately sized sheets, and pillows matched to your sleep position. Choosing the right accessories helps you get the...

What kind of warranty do Sealy mattresses usually come with?

Sealy mattresses typically include a limited warranty that covers manufacturing defects and excessive sagging beyond a specified depth. The length and terms of the warranty can vary by collection and model, so always check the warranty details for the...

What sizes do Sealy mattresses come in?

Sealy mattresses are commonly available in standard sizes such as Twin, Twin XL, Full/Double, Queen, King, and sometimes California King. Availability of specific sizes can vary by model and collection, so always confirm which sizes are offered for ...

Does this mattress come with a sleep trial so back sleepers can test it?

Yes, we offer a 100 night sleep trial with any mattress purchase.

What kind of foams are used in this Sealy mattress?

This Sealy mattress uses carefully selected comfort and support foams that may include standard polyfoam, memory foam, or gel-infused foam to help balance comfort, support, and temperature regulation. See the product's materials and construction section...

Does this mattress have zoned or reinforced support?

This pocket coil mattress may feature zoned or reinforced coils in key areas like the lumbar region or edges to enhance support and durability. Check the product description for details on any zoning, coil gauge variations, or reinforced support features...

Is this mattress suitable for side, back, or stomach sleepers?

This pocket coil mattress has a specific firmness and comfort profile that will suit some sleep positions better than others. Check the comfort description and any recommended sleep positions in the product details to see whether it is ideal for side...

Are Sealy mattresses a good value for the price?

Sealy offers mattresses at a range of price points, from budget-friendly options to more feature-rich collections. Many customers find Sealy mattresses to be a good value because they balance brand reputation, comfort, and support with accessible pricing...

What type of core does this zoned lumbar mattress use (foam, latex, or coils)?

This zoned lumbar support mattress uses a core made from pocketed coils, foam, latex, or a combination, paired with comfort layers tuned for the lumbar region. Check the construction section to see how the core type and zoning work together to support...

Will this Sealy mattress hold its shape over time?

This Sealy mattress is constructed with support and comfort materials selected to help maintain its shape and performance under normal use. Review the product details for information about the support system, foam densities, and care recommendations...

Is this mattress compatible with ergonomic or contour pillows for side sleepers?

Yes. This mattress works well with a range of ergonomic or contour pillows designed for side sleepers. Its cushioning surface allows your shoulder to nestle in while your pillow supports your neck and head, helping maintain a more neutral alignment.

Is this mattress better for a primary bedroom or a guest room?

This mattress offers a specific combination of comfort, support, and durability that may make it ideal for nightly use in a primary bedroom. Review the firmness, build quality, and price point to decide where it best fits in your home.

Do I need a mattress protector for my Sealy mattress?

A mattress protector is highly recommended for any Sealy mattress. It helps keep the surface clean, protects against spills and allergens, and can extend the life of the mattress by preventing moisture and dirt from breaking down the comfort layers ...

How should I care for my Sealy mattress?

Use a mattress protector to guard against spills and stains, keep the mattress on a proper foundation, and follow Sealy's recommendations for rotating the mattress if applicable. Avoid jumping on the bed, do not bend or fold the mattress excessively...

Do I need to rotate or flip my Sealy mattress?

Most modern Sealy mattresses are one-sided and should not be flipped, but many can benefit from periodic rotation (head-to-foot) to promote more even wear. Always check the care instructions for your specific Sealy model to see whether rotation is recommended...

Is this mattress supportive enough for a heavier back sleeper?

This mattress uses a robust support core designed to handle higher body weights while maintaining alignment for back sleepers. Its firmness and materials help prevent the hips and lower back from sinking too deeply, which is especially important for ...

How does this mattresss fabric help with odors and stains?

The antimicrobial fabric on this mattress is designed to slow the growth of odor-causing microbes on the cover, which can help it stay fresher between cleanings. It does not prevent all stains, so spills should still be cleaned promptly, and a mattress...

Can I use a Sealy mattress on a platform bed or slatted frame?

Many Sealy mattresses can be used on platform beds or slatted frames as long as the support surface is strong, stable, and properly spaced. Check the Sealy care and support guidelines for your model to make sure your foundation meets the requirements...

Who is Sealy and what are Sealy mattresses known for?

Sealy is a long-established mattress brand known for focusing on support, durability, and comfort across a wide range of price points. Their collections typically include traditional innerspring, hybrid, and advanced support designs aimed at providing...

Is this Sealy mattress compatible with an adjustable base?

Several Sealy mattresses are designed to be compatible with adjustable bases and can bend and flex as the base moves. Check the product description for notes on adjustable base compatibility; if listed as compatible, you can pair this mattress with ...

Does this Euro-top mattress have cooling features?

Is this firm mattress suitable for an adjustable base?

Many firm mattresses especially foam and hybrid models are compatible with adjustable bases and are designed to bend and flex as the base moves. Check the product description for specific notes on adjustable base compatibility and follow the manufacturer...

Is this edge support mattress comfortable across the entire surface, not just the center?

This mattress is designed to provide consistent comfort across the surface, with reinforced edges to keep the perimeter from collapsing. Review the firmness rating and customer feedback to see how sleepers experience comfort from the middle out to the...

How do I choose the right Sealy mattress for my sleep position?

Start by identifying your main sleep position (side, back, stomach, or combination) and your preferred feel (plush, medium, firm). Then look for Sealy models in that firmness range that also match your support needs such as zoned support for the lower...

Does this mattress have cooling features?

This pillow-top mattress incorporates materials and design elements such as breathable cover fabrics, gel-infused foams, or ventilated layers intended to help manage heat. Check the product description for specific cooling features included in this ...

Do Sealy mattresses provide good back support?

Sealy designs many of their mattresses to emphasize proper support and spinal alignment, often with reinforced center zones and carefully tuned coil or foam systems. The level of support depends on the specific model and firmness, so it's important ...

Does this king mattress come rolled or boxed?

Many modern king mattresses are shipped compressed and rolled in a box for easier delivery and setup. Check the product details for packaging information and follow the unboxing instructions to allow the mattress to expand to its full size.

Is this an authentic Sealy mattress?

This mattress is part of the official Sealy lineup and is sourced directly through authorized distribution channels. You can verify authenticity by checking the law tag, model name, and branding on the product and packaging, which should clearly show...

Is this king mattress suitable for everyday use in a primary bedroom?

This king mattress is designed for regular nightly use, with a balance of comfort and support suitable for couples or single sleepers who want extra space. Check the firmness, materials, and customer reviews on the product page to make sure it matches...

How do Sealy mattresses compare to other brands?

Compared to many other brands, Sealy offers a wide selection of traditional innerspring, foam, and hybrid models with a focus on support and mainstream comfort preferences. They may not use the same ultra-premium materials as some luxury brands, but...

What does a Sealy mattress warranty usually cover?

A Sealy mattress warranty generally covers issues like manufacturing defects, broken or faulty components, and indentations that exceed a certain depth when the mattress is used on a proper foundation. It does not usually cover normal wear and tear, ...

How long is the warranty on this mattress?

This mattress includes a warranty of the length shown in the product details (for example, 10 years). The warranty terms explain exactly what is covered, how long non-prorated and prorated coverage lasts (if applicable), and what conditions apply.

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