Mattress Top Type: Tight Top Mattress Type: Memory Foam Included: 1 Mattress(es) Features: Full Support, Temperature Regulating, Cooling Layer, Cushioning Layer, Zone Quilting, Foam Layer Additional Information: Relieves Pressure Points, Conforms To Body, Suitable for Adjustable Bed Frames, Eliminates Motion Transfer Manufacturer Warranty: 10 Year Limited Bed Size: Twin Xl Measurements: 12 Height/Inches, 38 Width/Inches, 79.5 Depth/Inches Maximum Weight Limit: 850 Lbs Base Material: 100% Foam Comfort Type: Medium Mattress + Box Spring Measurements: 79.5 Length/Inches Care: Spot Clean Certifications And Listings: Certipur-Us Certified 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.