This upgraded spring mattress features motion-reducing response™ encased coils for all-over comfort, and a reinforced foam center third for targeted back and core support. The Stableedge™ pro increases durability, while the knit cover with Moistureprotect™ helps to keep you cool, and surface-guard technology™ keeps the mattress protected. Also available in faux Eurotop and pillowtop in a soft, medium or firm feel. Mattress Top Type: Pillow Top Mattress Type: Innerspring Included: 1 Mattress(es), 1 Box Spring(s) Features: Cooling, Non-Toxic, Foam Layer, Cushioning Layer, Wrapped Coils, Antimicrobial, Cooling Layer, Adjustable Base Compatible Additional Information: Suitable for Adjustable Bed Frames Coil Count: 391 Coils Manufacturer Warranty: 10 Year Limited Bed Size: Twin Maximum Weight Limit: 500 Lbs Base Material: 100% Polyurethane Comfort Type: Medium Mattress + Box Spring Measurements: 23 Height/Inches Care: Spot Clean Certifications And Listings: Cpsc - 16 Cfr 1633 Compliant, Certipur-Us Certified, Cpsc - 16 Cfr 1632 Compliant Country of Origin: Made in US Visit our Furniture & Mattress Customer Care Center for delivery options, protection plans and other services. Problem with an order or need help with a return? Our Furniture & Mattress Customer Service agents will be happy to help. Give us a call at 1-800-442-7902 Don’t forget to print off your delivery checklist to avoid any delays or issues when delivering your item. Set includes mattress plus box spring/foundation. King and Cal. King mattress sets feature 2-piece side-by-side foundations for easier navigation in tight spaces. 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