Material: - This suction cup anchor is made of sturdy PVC + nylon, which has high strength, long service life, wear resistance and not easy to break, and strong adhesion. Powerful suction hooks last long in cold or hot conditions until you remove them. Load bearing: - Each suction cup hook can hold up to 5 kg. The suction cups attach securely to the work surface, so you won't be bothered by easy drops or maximum loads. It's the perfect tool for travel or home use. Easy to Install:-Easy to use, just push the suction cup hook onto a smooth, clean surface and bend the lever to complete, twist the handle to lock it securely and not scratch your car. Notes: - Please make sure the surface and the suction cup hook are clean and dry before use. The surface should be airtight, preferably metal, glass, tile or hard plastic. Uses: - The suction cups are suitable for smooth surfaces and flat locations, such as awnings, tents, sun sails, homes, offices, etc. For attaching tents and tarps to cars and trucks. It is the ideal product for all camping enthusiasts. Packing list: 4 * suction cups We only sell suction cups, not other items in the picture. Due to the differences between different monitors, the pictures may not reflect the actual color of the item.Due to manual measurement, please allow slight size errors.