The multifunctional suction cup tent is suitable for smooth surfaces and flat positions such as awnings, tents, skylights, shade sails, tents, tarps and tarpaulins on cars and trucks. It is also an ideal choice for competitors on smooth surfaces such as buses, motorhomes and workshops, garages, kitchens, bathrooms, etc.Set of 4 car suction cups with fixed hook size : 7 x 17cm. This suction cup mount is made of sturdy material, with high strength, high durability and low weight, and can be stuck on smooth surfaces. (Environmental friendly materials, reusable) Strong suction cup - each anchor can hold weight about 10kg. The suction cup adopts a solid viscous gel base, which has strong adhesion, better anti-slip effect and stronger adhesion. It will stay in cold or hot environment for a long time until you take it out. The sturdy suction cup mount can be installed on a smooth, non-porous surface. It is used with rope or bungee cord.Easy to use: Please make sure the surface and the suction cup hook are clean and dry before use. These suction cups can be attached to smooth surfaces such as glass, boats, SUP, cars and RVs. Simply slide the suction cup on a clean, smooth surface, twist it to lock it firmly, then lift the lever to release it. Car suction cup with hook very suitable for sports, camping, awnings, events, concerts , construction, boating, cycling, surfboards, etc. It is an ideal product for all camping enthusiasts.