Sealy Response™ Line Our innerspring mattresses offer exceptional full-body support with ease of movement, for that sleep-on-top feeling and the comfort you want. We use exclusive Posturepedic Technology™ to deliver the stable, all-over support you want, with reinforced support under the heaviest part of your body, where you need it most. Sealy Performance™ Collection Durable all-over support, plus exclusive Posturepedic Technology™ for reinforced support where you need it most, for a truly comfortable night’s sleep. Posturepedic Technology™ ComfortLoft™ Cover Response Pro Encased Coil System DuraFlex™ Edge System* Quilt/Comfort Layers: SealyCushion™ Air Foam, SealyCool™ Gel Foam Mattress Top Type: Euro Top Mattress Type: Innerspring Included: 1 Mattress(es) Features: Fire Resistant, Fade Resistant, Foam Layer Additional Information: Conforms To Body, Suitable for Adjustable Bed Frames Coil Count: 336 Coils Manufacturer Warranty: 10 Year Bed Size: Twin Measurements: 38 Width/Inches, 13 Height/Inches, 74 Length/Inches Base Material: 100% Polyurethane Comfort Type: Plush Care: Spot Clean Certifications And Listings: Cpsc - 16 Cfr 1633 Compliant, Cpsc - 16 Cfr 1632 Compliant Mattress Height: 13" Country of Origin: Made in US 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