Powerful Suction Cup: This suction cup anchor can be attached to most smooth, non-porous surfaces. It is made of strong, high-strength materials, offering long-lasting durability and lightweight performance. Each anchor can support a weight of approximately 22 lbs / 10 kg. Package Includes: You will receive 4 suction cup anchors with a mounting hook. The camping suction cup is attached with a sticky gel base, providing a much stronger holding force thanks to the double suction. The mounting hook is for securing tents and tarps to cars, trucks, pools, etc. Convenient to Use: These suction cups adhere to smooth surfaces such as glass, boats, SUPs, cars, and RVs. Before each use, please clean the surface with a cleaning cloth to ensure optimal adhesion. Reliable Quality: This strong suction cup anchor is made of high-quality PP and TPU materials, which are wear-resistant and difficult to break, offering high adhesion and superior anti-slip performance. It contains no glue residue; a strong adhesive gel base is added to the suction cup to provide a stronger hold. It will last a long time in both hot and cold environments until you remove it. Wide range of uses: The suction cup is suitable for smooth, flat surfaces such as cars, homes, offices, etc., without causing damage. However, no plastic suction cup will adhere if the surface has any texture. If air can enter, the suction will not hold because it relies on creating a vacuum.