Twin Size Metal Bed Frame Platform with HeadboardUpgraded Design with Sturdy Frame Our bed frame has been improved a lot. The main structure is made of heavy duty steel. These steel tubes can be firmly assembled on the bed frame so that it can support the mattress well. Less noise made and much quieter. You can have a sound sleep. Much Practical Twin Size Bed frame No more box spring! The mattress can be directly put on these solid metal slats. That will bring much convenience and save your money.