The Sealy® Wellmont mattress is our most premium innerspring model combining the enhanced support of our encased coil system with the high-density Duraflex™ coil edge system for increased durability. This mattress includes multiple layers of our Sealy Comfort™ and Sealy Support™ gel forms to maximize comfort and support, plus an added layer of memory foam in the Core Support™ center to provide additional pressure-relieving support for the heaviest part of your body. Mattress Top Type: Tight Top Mattress Type: Innerspring Included: 1 Mattress(es) Features: Antimicrobial, Full Support, Foam Layer, Non-Toxic, Wrapped Coils, Fade Resistant, Hypoallergenic, Cushioning Layer, Adjustable Base Compatible Additional Information: Eliminates Motion Transfer, Suitable for Adjustable Bed Frames, Relieves Pressure Points Coil Count: 601 Coils Manufacturer Warranty: 10 Year Limited Bed Size: Twin Measurements: 74 Length/Inches, 37.75 Width/Inches, 14.5 Height/Inches Maximum Weight Limit: 500 Lbs Base Material: 70% Metal, 30% Polyurethane Comfort Type: Extra Firm Care: Spot Clean Certifications And Listings: Cpsc - 16 Cfr 1632 Compliant, Certipur-Us Certified, Cpsc - 16 Cfr 1633 Compliant Country of Origin: Made in US This product is responsibly packaged or labeled using recycled, alternative materials, or items designed to reduce future environmental impact. Includes mattress only. Mattress plus box spring option also available.  This mattress meets the requirements of 16CFR Part 1632 (federal flammability (open flame) standard for mattresses and mattress pads This mattress meets the requirements of 16CFR Part 1633 (federal flammability (open flame) standard for mattress sets) when used with foundation