Modern & contemporary design features with a black metal finish. Platform bed. No box spring required. 13 wooden slat platform base supports even weight distribution. Metal and composite wood construction. Ships in 1 box. Easy 4 step assembly. No tools required. Included: 1 Box Spring(s) Features: Fire Resistant Manufacturer Warranty: 10 Year Limited Bed Size: Twin Measurements: 76 Length/Inches, 5 Height/Inches, 40 Width/Inches Base Material: 100% Polyester Care: Spot Clean Certifications And Listings: Cpsc - 16 Cfr 1632 Compliant Country of Origin: Made in US This mattress meets the requirements of 16CFR Part 1632 (federal flammability (open flame) standard for mattresses and mattress pads