This latest king-size bed frame. Strong frame with sturdy steel slat structure, no squeaking noise free, good sleep. Match standard size twin full queen king size mattress, no bedspring needed. 14-inch high bed frames with 12 inches of ample under-bed storage. Frame enclose the mattress to stop slipping, and plugs to avoid noise protect the floor. No tools required, quick and straightforward to assemble, 5-year warranty guarantee