An upgrade in cooling comfort, this design features a thicker layer of ComfortSense™ Gel Memory Foam, layered with breathable gel foams to deliver body-hugging support. The soft knit cover with SealyChill™ is cool-to-the-touch, while Surface-Guard Technology™ keeps the mattress protected. Available in a Soft or Firm feel. Mattress Top Type: Tight Top Mattress Type: Mattress In A Box, Memory Foam Included: 1 Mattress(es) Features: Breathable, Cooling, Cooling Layer, Foam Layer, Dust Mite Barrier Additional Information: Conforms To Body, Eliminates Motion Transfer, Suitable for Adjustable Bed Frames, Relieves Pressure Points Manufacturer Warranty: 10 Year Limited Bed Size: Twin Measurements: 75 Length/Inches, 13 Height/Inches, 39 Width/Inches Maximum Weight Limit: 500 Lbs Base Material: 100% Polyurethane Comfort Type: Firm Mattress + Box Spring Measurements: 75 Length/Inches, 22 Depth/Inches, 39 Width/Inches Care: Spot Clean Certifications And Listings: Cpsc - 16 Cfr 1632 Compliant, Cpsc - 16 Cfr 1633 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. 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