Mattress Top Type: Tight Top Mattress Type: Memory Foam Included: 1 Mattress(es), 1 Box Spring(s) Features: Removable Cover, Foam Layer, Antimicrobial, Full Support, Cooling Layer Additional Information: Conforms To Body, Eliminates Motion Transfer, Relieves Pressure Points Manufacturer Warranty: 10 Year Limited Bed Size: Twin Xl Base Material: 100% Polyurethane Comfort Type: Plush Mattress + Box Spring Measurements: 22 Height/Inches 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 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.