【Sturdy Metal Support】 Made of durable metal bed slats, full box spring can hold up to 440 lbs. Good quality bed frame supports the mattress and prevents it from moving or sinking for long-lasting service life. Reinforced supporting legs add extra stability, no shaky after proper assembly. 【No Box Spring Needed】 Matching standard twin full queen, king size mattress, reliable and closely spaced metal slats are designed to support your latex, memory foam or spring mattress without the need for a box spring. The 4 U-shaped bed frame is designed for no noise and no shaking. 【Headboard Compatible】 Three holes are predrilled in the front legs for headboard to attach the frame easily. You can choose any standard size headboard you like to decorate your bed. Headboard is not included.