SEALY® Cocoon™ 10" Firm Memory Foam Mattress - King
Sealy® Cocoon™ is a premium mattress-in-a-box collection that combines Sealy’s renowned support with modern convenience. Enjoy contouring memory foam comfort (with optional cooling technology) and hassle-free delivery across Canada.
Sealy Cocoon 10" Firm Memory Foam Mattress - King: Elevate Your Sleep Experience with Luxurious Comfort
Discover unparalleled comfort with the Sealy Cocoon 10" Firm Memory Foam Mattress, meticulously crafted to redefine your nightly retreat. Featuring a soft, yet firm profile, this mattress expertly combines a premium stretch-knit cover with innovative memory foam technology. Each layer works harmoniously to provide contouring support, creating an oasis of tranquility that rejuvenates your body and mind every night.
Key Features
Premium Fabric Cover: Enjoy the touch of luxury with Sealy's breathable stretch-knit fabric cover, designed from spun poly fibers to ensure both softness and long-lasting durability.
Perfect Fit Memory Foam: Experience personalized support as this advanced memory foam adjusts to your unique shape and sleeping position, providing tailored comfort that lasts throughout the night.
Custom Comfort Layers: Choose your ideal sleep experience with layers that offer options from cozy softness to firmer support, catering to your individual sleep style and preferences.
Durable Support Foam: Built for durability, this resilient support foam maintains its structure and performance, ensuring that you enjoy consistent comfort and support for years to come.
10-Year Warranty: Sleep soundly with a 10-year warranty that reflects Sealy's dedication to quality craftsmanship and customer satisfaction.
Easy Setup: Enjoy hassle-free setup as the mattress arrives conveniently compressed and rolled, making it a breeze to transport and install in your bedroom.
Benefits
Revitalizing Sleep: Surrender to an enveloping sense of comfort with the Perfect Fit Memory Foam, designed to alleviate pressure points and enhance your overall sleep quality.
Convenient Delivery: The mattress packaging makes it simple to handle and transport, ensuring an easy arrival and setup right in your home.
Peace of Mind: Sleep confidently knowing that the CertiPUR-US certified foams meet rigorous standards for performance and safety, making it a health-conscious choice.
Tailored Sleep Experience: Benefit from customizable layers that allow you to create your perfect sleeping environment, suited to your unique preferences and comfort needs.
Ideal For
Partners looking for a mattress that accommodates diverse sleeping habits and comfort preferences for soothing sleep.
Individuals seeking firm support to help alleviate discomfort and improve spinal alignment while sleeping.
Those who prefer an effortless shopping experience, enhanced by the convenient delivery options that come with this mattress.
Details
Dimensions: 76" x 80" (inches) – 193cm x 203cm (centimeters)
Profile Height: 10 Inches
Firmness: Firm
Comfort Layers: 2" Perfect Fit Memory Foam
Support Layers: 2" Reinforced Essential Support Foam Firm
Mattress Core: 6" Flexible Essential Support Foam
Warranty: 10 Year Warranty
Collection: Bed-In-A-Box
Guarantees: Free next day delivery, 100 night sleep trial, full manufacturer's warranty, price match guarantee.
In conclusion, the Sealy Cocoon 10" Firm Memory Foam Mattress stands as a testament to superb craftsmanship and innovative design. Perfectly melding plush comfort with essential support, it invites you to indulge in a nightly escape that rejuvenates your body and refreshes your spirit. Transform your sleep sanctuary today with this trusted mattress, ensuring a restful night’s sleep you’ll look forward to every single evening.
Strong. Durable. Supportive. Decades of R&D have led to patented technology that lies at the heart of Sealy Posturpedic. Sealy’s Posturetech Coils adjust instantly to you providing the right amount of support and comfort for anyone at a great price.
Sealy Mattresses are designed to last longer and give you more support.
Visit our Mississauga mattress outlet or Toronto mattress outlets to view Sealy mattresses on sale and special deals and outlet pricing offers! All mattresses are brand new, sealed, with full manufacturer’s warranty serviced by National Mattress Outlet.
Sealy provides high quality sleep products – priced affordably – that are perceived as true values by the consumer with all the healthful benefits of a good night’s sleep.
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.
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.
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?
How long should I wait before sleeping on this mattress after unboxing?
This mattress can usually be slept on the same day you unbox it, but it may take up to 24-72 hours to reach its full height and intended feel.
Consult the product instructions for specific recommendations on minimum expansion time before regular use...
What are the box dimensions and weight for this mattress?
The box dimensions and weight for this mattress in a box are listed in the delivery details section.
Review them to ensure you can move the box safely into your room, and consider having an extra person help for larger sizes.
What firmness options do Sealy mattresses come in?
Sealy mattresses are typically available in multiple firmness options, including plush/soft, medium, and firm, and occasionally extra-firm or ultra-plush depending on the collection.
This makes it easier to match a Sealy mattress to your sleep position...
Is this memory foam mattress suitable for side, back, or stomach sleepers?
This memory foam mattress has a specific firmness and layering 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 best for side...
Is this Sealy mattress considered entry-level, mid-range, or premium?
This Sealy mattress falls into a specific tier within the Sealy lineup based on its materials, construction, and feature set.
Check the product description and pricing relative to other Sealy models to see whether it is positioned as an entry-level, ...
Is this Sealy mattress better suited for a primary bedroom or a secondary/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.
What warranty and trial period come with this mattress?
Yes, we offer a 100 night sleep trial with any mattress purchase.
Can I use this king mattress on a slatted bed frame?
Yes, most king mattresses can be used on slatted frames as long as the slats are sturdy and properly spaced.
Many manufacturers recommend slats that are no more than about 3 apart to support the mattress and prevent sagging between slats.
Will this firm mattress hold its shape over time?
This firm mattress is constructed with durable support and comfort materials to help maintain its shape and feel for years under normal use.
Following the care and support guidelines on the product page will help you get the best performance and longevity...
Is this king mattress supportive enough for heavier sleepers or couples?
Heavier sleepers and couples typically need a mattress with stronger support so they don't sink too far into the bed.
Check the product description for higher-density foams, reinforced coils, or clear weight capacity guidelines, and consider a medium...
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...
Do I need a mattress protector for this memory foam mattress?
A mattress protector is strongly recommended for any memory foam mattress.
It helps keep the surface clean, protects against spills and allergens, and can extend the life of the mattress by preventing moisture and debris from breaking down the foam ...
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...
Is this mattress compatible with my existing frame or foundation?
This mattress is compatible with many standard frames and foundations, provided they meet the manufacturer's support requirements.
Check the support and compatibility section on the product page to confirm whether your existing setup is suitable or ...
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 ...
Which Sealy mattress firmness is best for back or stomach sleepers?
Back and stomach sleepers usually do well on medium to firm Sealy mattresses that keep the hips and torso from sinking too deeply.
These comfort levels help support the lower back and promote a more neutral spinal alignment during the night.
What types and densities of memory foam are used in this mattress?
This memory foam mattress uses specific memory foam and support foams such as higher-density support foam and softer memory foam comfort layers to balance pressure relief and durability.
Check the construction and materials section for details on the...
Is this 10 inch mattress all foam, hybrid, or innerspring?
This mattress uses the construction described on the product page, for example all foam, hybrid, or innerspring. Review the materials section to see details about the support core, comfort layers, and cover so you know what type of feel and performance...
Will this 10 inch mattress feel different from my current thinner mattress?
Yes. A 10 inch mattress typically feels more substantial than a thin mattress, with more noticeable comfort layers and often better pressure relief. If you are upgrading from a 6 or 8 inch model, you may experience increased cushioning and support, especially...
Will this foam mattress support my lower back properly?
This foam mattress is designed to provide a balance of contouring and support through its layered foam construction.
Check the firmness rating and any notes about zoned support or targeted lumbar support in the product description to ensure it aligns...
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...
Has this memory foam mattress been tested for emissions or safety standards?
This memory foam mattress is manufactured to meet applicable safety and flammability regulations, and its foams may be tested for content and emissions.
Check the product details for specific information on any standards, certifications, or safety testing...
Is this mattress durable enough for nightly side sleeping?
This mattress is constructed with quality support and comfort layers designed to withstand repeated compression at typical side-sleeper pressure points. When used with a supportive base and a mattress protector, it is built to maintain its comfort and...
Which Sealy mattress firmness is best for side sleepers?
Side sleepers often prefer Sealy mattresses in plush or medium comfort levels that offer more cushioning at the shoulders and hips.
Models with thicker comfort layers or pressure-relieving foams can help reduce pressure points and improve comfort for...
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.
Are Sealy mattresses suitable for kids and teens?
Many Sealy mattresses are well-suited for kids and teens thanks to their balanced support and everyday durability.
A medium or medium-firm Sealy mattress in the appropriate size can provide good posture support for growing bodies and later transition...
Does this king mattress sleep hot?
Temperature regulation depends on the materials and cover.
Mattresses with breathable fabrics, open-cell foams, cooling gel, phase-change materials, or coil support cores tend to allow more airflow and feel cooler than dense, non-ventilated foams.
...
How should I care for and clean this firm mattress?
Use a mattress protector to guard against spills and stains, vacuum the surface occasionally to remove dust, and follow the manufacturer's spot-cleaning instructions for any accidents.
Avoid harsh chemicals or soaking the mattress, and ensure it dries...
How long does it take for a king mattress to fully expand after unboxing?
Most boxed king mattresses expand to near full size within a few hours, but they may continue to relax and reach their final feel over 24-72 hours.
Room temperature, ventilation, and the specific materials can affect expansion time; follow the manufacturer...
Is this firm mattress a good choice if my partner and I are different weights?
This firm mattress is designed to provide strong support across the surface, which can help when there is a weight difference between partners.
Review the support specs (coil strength, foam density, or weight capacity) and customer reviews to see how...
Are Sealy mattresses good for couples?
Sealy offers many models that work well for couples, including hybrids and foams with good motion isolation and strong edge support.
Couples should look for a Sealy mattress with a firmness level they both find comfortable and consider features like...
Is this 10 inch mattress a good value for the price?
This 10 inch mattress is designed to balance comfort, support, and affordability. Review the materials, construction details, warranty, and customer reviews on the product page to decide whether its performance and features justify the price for your...
Will standard sheets fit on a 10 inch mattress?
Yes. Most standard fitted sheets are designed to fit a range of mattress depths and will accommodate a 10 inch mattress without issue. If you want a snugger fit, look for sheets with a pocket depth that matches low to medium profile mattresses and elastic...
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