Quality material: high quality aluminum alloy and stainless steel. Matte black texture, the button is smooth, comfortable and perfect. Simple design: brief appearance, modern style, easy to install and easy to clean. Quantity: 10PCS black cabinet door knob. Size: knob diameter: 18mm, height: 23mm. Please make sure the thickness of your drawers before ordering. Safe: smooth surface without edges and corners, very safe for children, can be used for cabinet, drawer, chest, bin, dresser, closet, nursery, etc.