Material: high quality aluminum alloy and stainless steel. Matte black texture, the button is smooth, comfortable and perfect. Quantity: 10PCS black cabinet door knob. Each button is supplied with a fixing screw. Size: Button diameter: 30mm, Height: 25mm. Screw length: 23mm. Please make sure your drawer thickness before ordering. Simple design: brief appearance, modern style, easy to install and clean. Trunk -strong: smooth surface without edges and corners, very safe for children, can be used for cabinet, drawer, chest, bin, dresser, closet, children’s room Due to factors such as manual measurement and display differences, there may be slight differences between individual products and images, please forgive me.