Frame of bendproof powdercoated 18 ga coldformed steelLegs are made of high impact polypropylene plastic guaranteed for lifeSturdy enough for use with children up to 80 lbs Cover is made of Texron a nonsag open weave extremely durable fabric that meets the strict California Fire Code 117Laceup cover can be tightened periodically if necessaryInterstacks with most other brand plastic corner cotsNo screws nuts or other small partsName tag included with every cotFrame and cover carries a 10year manufacturer warranty legs for a lifetime