Powerful suction cup: This suction cup anchor can be fixed on the most non-porous smooth surface, it is made of strong materials, high strength, long durability and lightweight; Each anchor can hold weight about 22 lbs / 10 kg Package includes: you will receive 4 pieces of suction cup anchor with mounting hook, the camping suction cup is fixed with gel base sticky, it has much stronger holding force of double suction; And its mounting hook, to attach tents and tarpaulins to cars, trucks, swimming pools, etc. Practical to use: these suction cups adhere to smooth surfaces such as glass, boats, SUPs, cars and motorhomes, etc. release; Before each use, please clean the surface with a cleaning cloth to ensure the best adhesion Reliable quality: This strong suction cup attachment is made of quality PP and TPU materials, which are wear-resistant and tough to break, with high adhesion and better anti-slip effect; It contains no glue residue, a strong sticky gel base is added to the suction cup to provide a stronger hold; And will last a long time in cold or hot environment, until you take it off Wide range of uses: the suction cup is suitable for smooth surface and flat position like automobile, home , desktop, etc., without causing damage to the surface; However, no plastic surface suction cup will stick if there is any texture on the surface; If air can enter, the suction will not hold as it relies on creating a vacuum Note: The data is all measured manually, please allow 1-3cm error due to differences in light and display, there may be color differences, please refer to the actual item received.