The suction cup is made of high quality ABS, PVC and metal iron with a unique design. There is a red key on the top of the suction cup and a sturdy D-buckle design, wear-resistant and strong suction and has a long life. of 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 in the kitchen, 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's easy and convenient to use, simply place the suction cup on a smooth, clean surface and press the handle to secure the closure, the suction cup will stay in place. Lightweight and compact design for easy transport. These suction cups are ideal for car camping, car shading, boating, attaching tents and tarps to cars and trucks with attached cargo racks. Perfect for moving, packing, camping, awnings, events, boating, biking and more! You will receive 4 suction cup hooks and 8 S-shaped hooks to meet your different needs. 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 .