The suction cup is made of high quality ABS, PVC and metal iron with unique design. There is a red key on the top of the suction cup and a sturdy D-ring buckle design, which is wear-resistant and strong. suction and has a long service life. Each suction cup can hold up to 10 kg. You can hang almost anything with our heavy duty suction cup anchors. Whether camping, moving or cooking, the versatility of these suction cups makes them the ideal tool for you. These hook suction cups have strong adsorption capacity and can easily pull or lift objects. It is easy and convenient to use, just place the suction cup on a smooth and clean surface and press the handle to secure the closure, the suction cup will stay in place. Lightweight and compact design for easy carrying. These suction cups are great for car camping, car shading, boating, securing tents and tarps to cars and trucks with attached roof racks. Perfect for moving, packing, camping, awnings, events, boating, biking and more! You