These suction cups are made of , light in weight but with good heaviness. The creative suction cup design is more practical, you can easily use them without punching. The delicate and non-marking suction cup design can protect the wall from damage and can be easily installed. This is a very efficient hook tool that can bring convenience to your life. Features -Color: Black. -Material: Plastic. -Size: About 7.00X7.00X3.70cm/2.75X2.75X1.45in. - Applicable to: suitable for most non-porous smooth support surfaces, used with bungee cords or ropes (not included). - This suction anchor is made of solid materials, with high strength, long durability and light weight. - Easy to use: just push the suction cup to a clean and smooth surface, rotate the handle to it safely - It will not scratch your car, when not in use, keep the handle upward. - Applicable surface: suitable for clean and smooth surfaces, and firm suction. Package list: 2 suction cups