King Sealy® Essentials Marshall® Assured Series Default Category
King mattresses measure 76" × 80" — the widest standard size, giving each partner the same personal space as a twin. They're the top choice for couples who want maximum room, families who co-sleep, and larger master bedrooms. Compare every king option below by brand, feel, and price.
Sealy® Essentials mattresses provide reliable comfort and support at a budget-friendly price. This collection offers the perfect balance of innerspring support and cooling foam comfort, delivering Sealy quality to Canadians at great value.
The Marshall® Assured Series is handcrafted in Canada on an 842 tempered pocketed coil system reinforced with a high-density encased perimeter for dependable support and strong edges. Offered in medium, firm and plush feels across 13 to 16 inch profiles and backed by a 10-year warranty with free next-day delivery in Toronto.
Sealy® Essentials mattresses provide reliable comfort and support at a budget-friendly price. This collection offers the perfect balance of innerspring support and cooling foam comfort, delivering Sealy quality to Canadians at great value.
The Marshall® Assured Series is handcrafted in Canada on an 842 tempered pocketed coil system reinforced with a high-density encased perimeter for dependable support and strong edges. Offered in medium, firm and plush feels across 13 to 16 inch profiles and backed by a 10-year warranty with free next-day delivery in Toronto.
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Express ShippingUpgrade your sleep at National Mattress
Discover a mattress that transforms your sleep into a truly rejuvenating experience. We offer a wide variety of options to suit every sleep style and preference, ensuring a better night's sleep.
Why Choose Us?
- Variety: From plush to firm, we have options for every body type and sleep style.
- Quality: Trusted brands and top-notch materials for long-lasting comfort.
- Sleep Trials & Warranties: Enjoy peace of mind with flexible trials and warranties.
- Expert Advice: Get personalized recommendations from our sleep specialists.
Mattress Selection Includes
- Memory Foam: Contours to your body for personalized comfort and pressure relief.
- Hybrid: Combines responsive springs with foam for balanced support and comfort.
- Innerspring: Provides firm support, bounce, and cooling airflow.
- Latex: Hypoallergenic, eco-friendly, and exceptionally comfortable.
- Adjustable Beds: Customize your sleep position for optimal comfort.
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