PREMIUM MATERIAL-- This window suction cups for glass is made of high-quality and durable ABS plastic, which has high strength, durability and light weight.The suction cup can also protect your car from damage because it does not leave scratches and marks. Each suction cup has strong durability and is a tool for traveling or going home. It is suitable for most non-porous smooth surfaces. Powerful heavy duty Sucker anchorEach anchor hold up to 50lbs,Which means it can even put your bike, furniture or other things too big or too heavy onto your carIt works on most non-porous smooth surfaces,The Sucker/Suction cup hooks will hold its place as long as needed. Very suitable for travel or home use. It is suitable for most non-porous smooth surfaces. Easy to InstallSimply press the suction cups on a clean smooth surface and then pull the joystick to lock the handle. It will not scratch your car. For outdoor campers, suction cup hooks are the best screwless solution. Actual Purpose: The adsorption anchor can better hold almost everything. Don't worry about not having a fixed load. You can also tie tents and tarpaulins to cars and trucks to facilitate camping. Specifications: Name: Suction Cup for Camping Tent Material: ABS and PVC Size: about 13.5*11cm/5.31*4.33inch