Specification: Material: zinc alloy Color: bronze Size: 252013mm Surface treatment: electroplating Weight: about 30g/piece Package includes: 12 pieces of dresser knobs 1.Material: High quality durable and stylish zinc alloy quality. 2. Easy Installation: Universal size. It is made of a metal-zinc alloy, not plastic, is sturdy and durable. 3.Retro Design: Retro look. A better sense of touch, make your room look antique and majestic. 4. Widely used: smooth surface without edges or corners, very safe for children, suitable for cupboard, dresser, drawer, cabinet, door, cupboard.