Durable Steel, Bamboo, Plywood SUSTAINABLE BAMBOO – Beautifully finished bamboo offers a refined look and is a sustainably sourced material known for its impeccable strength and durability RELAXED REFINEMENT - A beautifully finished bamboo headboard gives off a rustic refinement complementing its clean-lined metal frame DURABLE DESIGN – Bamboo headboard and sturdy steel framework, and durable plywood mattress platform come together to offer ultimate durability and longevity; twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs NO BOX SPRING NEEDED – Durable, closely spaced wooden slats offer rock-solid support and extend the life of any foam, latex, or spring mattress without the use of a box spring EASY ASSEMBLY – All parts, tools, and instructions are cleverly packed into one box and shipped straight to your door for easy, two-person assembly in under an hour; Worry-free 5 year limited warranty included; mattress sold separately