Made of ceramic. Round shaped door knobs, delicate and practical. Simple cabinet upgrade, decorative drawer knobs. Each knob is supplied with a fitting screw. Find the position where you want to install on the board and drill a hole , then pass through the screw from the back of board anf thread tight to the knob. Great for cabinet, drawer, chest, dresser, cupboard, nursery and so on., Manufacturer: TRDEWR