100 % Steel GO MINIMALIST - Less is more, especially with this modern and structurally sound foundation that lends both strength and understated sophistication to your bedroom - two qualities that never go out of style LOW PROFILE – 10 inch platform height is perfect for taller mattresses or for those who prefer their bed lower to the ground; twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs NO BOX SPRING NEEDED - Reliable wood slats are designed to support and extend the life of your latex, memory foam or spring mattress without the need for a box spring; slats are spaced 3 - 3.4 inches apart EASY ASSEMBLY - All parts, tools and instructions are shipped straight to your door in one efficiently packed box for simple set-up that takes less than hour with a friend’s help Worry-free 5 year limited warranty included; mattress sold separately