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" Plush Memory Foam Mattress - Twin XL: Experience Unmatched Comfort and Support for a Blissful Night's Sleep!
Elevate your sleep quality with the Twin XL Sealy Cocoon Plush Memory Foam Mattress, a perfect harmony of plush comfort and exceptional support. This mattress is expertly designed with a Premium Knit Cover and an innovative memory foam that contours to your body, embracing you in soothing softness. Its convenient boxed delivery ensures easy setup, letting you indulge in luxurious rest without the hassle!
Key Features
Deluxe Fabric Cover: Delight in the enticing feel of Sealy's breathable stretch-knit fabric, crafted for softness and reinforced durability to provide a quality touch each night.
Adaptive Memory Foam: Our Perfect Fit Memory Foam adjusts to your unique body shape and sleep position, offering you a tailor-made sleeping experience that lulls you into a deep slumber.
Customizable Comfort Option: Tailor your comfort with a choice between a comforting soft layer for a plush feel or a firmer layer for more substantial support as per your needs.
Durable Support Layer: Our 6-inch Essential Support Foam not only provides resilience but also ensures dependable support that comes back with every night's sleep.
Comprehensive 10-Year Warranty: Sleep soundly knowing your purchase is safeguarded by a 10-year warranty, giving you confidence in your comfort.
Convenient Shipping: The mattress arrives compressed and rolled for seamless delivery, making it suitable for any space without the typical hassles.
Benefits
Unprecedented Comfort: Experience cloud-like softness that conforms to all your body's curves, providing an inviting and relaxing sleep environment.
Effortless Setup: The compact package makes setting up your new mattress a breeze, removing the stress from your new purchase.
Quality Materials: Enjoy peace of mind with CertiPUR-US certified foams, ensuring your mattress is made with safe, environmentally friendly materials.
Multiple Size Options: Perfect for diverse bed configurations, making it versatile for various sleep environments and personal spaces.
Ideal For
Students and young adults seeking a compact mattress that offers both comfort and portability.
Individuals wanting to dramatically enhance their sleep quality with a supportive and plush solution.
Residents across Canada, with a tailored delivery service ensuring easy access to exceptional sleep.
Details
Dimensions: 38″ x 80″ (inches) – 96.5cm x 203cm (centimeters)
Profile Height: 10 Inches
Firmness Level: Plush
Core Materials: 6″ Flexible Essential Support Foam
Comfort Layers: 2″ Perfect Fit Memory Foam
Support Layers: 2″ Reinforced Essential Support Foam Soft
Guarantees: Free next day delivery, 100 night sleep trial, full manufacturer's warranty, price match guarantee
Rediscover your love for a restful night's sleep with the Sealy Cocoon 10" Plush Memory Foam Mattress. This luxurious mattress not only ensures a cozy and supportive environment but also stands the test of time with its premium materials and design integrity. Treat yourself to the restorative sleep you've been dreaming of—indulge every night!
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?
What pressure-relief technologies are used in this mattress?
This mattress uses specific pressure-relief features such as memory foam, latex, sculpted or zoned foams, micro-coils, or gel-infused comfort layers to cushion high-pressure points while maintaining support.
See the construction and materials section...
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...
Is this plush mattress suitable for an adjustable base?
Many plush mattresses, especially those made from foam or hybrids, 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...
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 mattress suitable for side, back, or stomach sleepers?
This mattress in a box has a specific firmness and support profile tuned for certain sleep positions.
Check the comfort description and any recommended sleep positions in the product details to see whether it's best for side, back, stomach, or combination...
Do I need to rotate or flip my mattress to keep the warranty valid?
Some warranties recommend rotating the mattress regularly to promote even wear, while others specify that the mattress should not be flipped. Check the care instructions in the warranty and on this product page. Following the recommended rotation schedule...
What type of mattress protector should I use that wont feel hot or noisy?
Look for waterproof protectors made with soft, breathable fabrics and a quiet backing layer.
Modern protectors are often designed to feel like a regular sheet while still blocking liquids and minimizing crinkling sounds when you move.
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 Twin XL mattress compatible with an adjustable base?
Many foam and hybrid Twin XL mattresses are compatible with adjustable bases and are designed to bend and flex with movement.
Check the product description for specific notes on adjustable base compatibility and follow the manufacturer's guidelines ...
Does this foam mattress have cooling features?
This foam mattress incorporates materials and design elements such as breathable cover fabrics, open-cell or gel-infused foams, or ventilated layers intended to help manage heat.
Check the product description for specific cooling features included in...
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 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 ...
Are Sealy mattresses safe and low in emissions?
Sealy mattresses are generally designed to meet applicable safety and emissions standards for the regions where they are sold.
Many models use foams that are tested for content and emissions, and Sealy publishes material and safety information for their...
Will this mattress hold its shape and pressure-relieving feel over time?
This pressure-relief mattress is built with comfort and support materials selected to maintain their feel under normal use.
Review the durability details, foam densities or coil specifications, and care recommendations in the product description to ...
How should I care for and clean this plush 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 if accidents occur.
Avoid harsh chemicals or soaking the mattress, and ensure it dries...
Is this Twin XL mattress good for side sleepers?
Side sleepers usually prefer a mattress that relieves pressure at the shoulders and hips while keeping the spine aligned.
Look for Twin XL mattresses described as medium or medium-soft with contouring comfort layers that adapt to the body's curves.
How does this mattress compare to your cooling or breathable models?
This pressure-relief mattress is optimized for comfort at pressure points and overall support.
Compare its construction, firmness, and any temperature-related features with our cooling or breathable models to decide whether you need primarily pressure...
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 soft is this plush mattress compared to your other models?
This mattress is categorized as plush/soft within our lineup, meaning it has more cushioning and sink-in at the surface than our medium and firm models.
Check the firmness scale or comfort description on the product page to see exactly where it sits...
How long does it take for a Twin XL mattress to fully expand after unboxing?
Most boxed Twin XL 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 mattress materials can affect expansion time; check the manufacturer...
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...
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...
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...
How long does a Sealy mattress usually last?
With normal use and proper care, a quality Sealy mattress can last many years.
Actual lifespan depends on the specific model, materials, the sleepers' weights, and how often the mattress is used; higher-end Sealy models with stronger support systems...
Can I use a Twin XL mattress on a bunk bed?
Some bunk beds are designed for standard twins, while others can accommodate Twin XL.
Always confirm the bunk bed manufacturer's recommended mattress size and maximum height, and choose a mattress that matches those specifications for safe guardrail...
Do I need a mattress protector for this mattress?
A breathable mattress protector is strongly recommended.
It helps keep the surface clean, protects against spills and allergens, and can extend the life of the comfort layers by preventing moisture and debris from breaking down the materials that provide...
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 mattress a true memory foam mattress or just regular foam?
This mattress is a true memory foam design, using viscoelastic foam in the comfort system that responds slowly to pressure and contours closely to your body.
You can confirm this in the construction and materials section, which specifies memory foam...
Is this Sealy mattress suitable for side, back, or stomach sleepers?
This Sealy mattress is designed with a specific firmness level and support system that will suit some sleep positions better than others.
Check the comfort description and any guidance in the product details; many models list which sleep positions they...
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...
Does this Twin XL mattress sleep hot?
Temperature depends on the materials and cover.
Mattresses with breathable fabrics, open-cell foams, cooling gels, or coil support cores tend to allow more airflow and feel cooler than dense, non-ventilated foams.
Look for any cooling features listed...
Do Sealy mattresses use memory foam or gel foam?
Yes, many Sealy mattresses incorporate memory foam, gel-infused foams, or other specialty comfort layers in their designs.
These materials can help with pressure relief, contouring, and temperature regulation, depending on the specific model and collection...
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