Package Include: 24pcs suction cups with black plastic screws. The sucker pad diameter is 40mm/1.57'', can be firmly secured because of the barometric pressure. Strong Suction: The suction pad is made of soft and thick PVC material, easy to stick on smooth surfaces, such as doors , windows, tiles, car windshield. Rust Free: The threads are made of 304 stainless steel. Feel free to use them in bathroom and outdoors, they will not get rusty. Widely Used: The heavy duty suction cups are great to secure licence plate to the inside windshield, fasten decorations, dolls, toys to the window as well as hang towels, brushes in the bathroom. Warm Tips: Our suction cups can be directly to use. If the suction cup is deformed or its adsorption effect is not good, you can dunk into 100 ℃ hot water for about 60 seconds and it will work again., Weight: 0.3968320716 Pounds, Manufacturer: AccEncyc