Underbed Extra Space: A 16 inch platform features 14.5 inches of underbed space perfect for storing extra odds and ends. Help save more space. More Stable Box-shaped Structure: Bed frame with box-shaped structure and durable steel and would be more stable than other structures. No box spring needed - Reliable metal slats are designed to support and extend the life of your memory foam or spring mattress without the need for a box spring Easy Installation - All parts, tools and instructions are shipped straight to your door in one efficiently packed box for simple set-up that takes less 30minutes with a friend’s help Worry-free Service: Please feel free to contact us if you have any question. twin size and twin xl sizesupports a maximum weight capacity of 350 lbs, while all other sizes can support up to 750 lbs