Mattress Top Type: Tight Top Mattress Type: Memory Foam Included: 1 Mattress(es), 1 Box Spring(s) Features: Removable Cover, Antimicrobial, Foam Layer, Full Support, Cooling Layer Additional Information: Suitable for Adjustable Bed Frames, Conforms To Body, Eliminates Motion Transfer, Relieves Pressure Points Manufacturer Warranty: 10 Year Limited Bed Size: Twin Xl Base Material: 100% Polyurethane Comfort Type: Medium Mattress + Box Spring Measurements: 38 Width/Inches, 80 Length/Inches, 21 Depth/Inches Care: Spot Clean Certifications And Listings: Cpsc - 16 Cfr 1633 Compliant, Cpsc - 16 Cfr 1632 Compliant, Certipur-Us Certified 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.