Polyester Fabric Upholstery With a Durable Steel Frame and Plywood Slats Grey foam cushioned upholstered headboard Made entirely of steel framework, the durable foundation will support many years of serious snoozing; twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs Reliable wood slats are designed to support your latex, memory foam or spring mattress without a box spring All parts, tools and instructions are shipped straight to your door in one efficiently packed box for simple set-up that takes less than an hour Worry-free 5 year limited warranty included; mattress sold separately