ZINUS Van 16 Inch Metal Platform Bed Frame / Steel Slat Support / No Box Spring Needed / Easy Assembly,Black, Queen Strong and Durable Steel PRACTICAL AND RELIABLE DESIGN - With an ultra-durable metal structure and over a foot of under bed clearance space for storing odds and ends, this metal foundation is an understated solution built for more than just great sleep.Maximum weight recommendation:350 pounds. NO BOX SPRING NEEDED - Durable steel slats support and extend the life of your latex,memory foam or spring mattress without the need for a box spring; twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs. EASY ASSEMBLY - Everything you need is efficiently packed into one box and shipped straight to your door; all parts, tools and instructions are included for easy, two-person assembly in under an hour.