This queen box spring supports up to 3500 lbs with easy installation sturdiness and durability to enhance your sleep experience. Thickened metal construction provides stable support without wobbling bending or sagging. A non-slip fabric cloth cover adapts to spring memory foam latex and other mattresses and helps prevent slipping. The reinforced structure offers a headboard-free space-saving design and the welded seams stay quiet even with frequent movement. Rounded corners make it easy to move without bumping walls.