One piece rotationally molded, high impact, polyethylene for maximum durability, Lifetime warranty, Virtually maintenance free, Smooth woodgrain finish and feel resulting in exceptional charm and cleanability, Rounded edges and sloped surfaces to mitigate ligature risk, No metal or wood components, Bed can be weighted with sand bags through tamper-resistant ballast compartment doors on underside, Bed can be bolted to the floor using corner mounting system, Infused with CORx anti-microbial compound, flame retardant, weighs 126 lbs.