Material: PVC Color: green, blue, black Product weight: 8.8 ounces Quantity: 4 pcs Package content: 4 x round buckle 360-degree rotating car tent suction cups Upgraded super suction cup: Holds up to 22 lbs (10 kg) each. Ideal for trips or home use. Works on smooth, flat surfaces such as tile walls, glass, car trunks, and wood furniture. If the non-slip mat's adhesion weakens due to dust, clean it with water. Once dry, the adhesion will be restored. High-quality material: Made of high-quality ABS and PVC, stainless steel spring, and upgraded silica gel for the suction cup. Stronger and more durable. The suction cup is heat resistant and will not melt below 105°C, nor will it corrode surfaces when left in place for extended periods. Multipurpose usage: These suction cup hooks can hold towels, toys, bathrobes, squeegees, kitchen tools, and more. Suitable for outdoor travel, car tents, family picnics, and other outdoor activities. Quick and simple installation: Press the suction cup onto a smooth surface and rotate the handle to lock. Will not scratch cars or other smooth surfaces. Durable and reliable: High-quality materials, nano technology, and high adhesion provide stronger performance than standard suction cups. Odor-free. Emphasis on product quality control to deliver reliable performance.