Material: PVC Color: green, blue, black Product weight: 8.8 ounces Quantity: 4 pieces Package content: 4 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 performance weakens due to dust, clean with water and allow the suction cups to dry completely to restore adhesion. 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 cups are heat resistant and will not melt below 105°C, nor will they corrode surfaces when left in contact for extended periods. Multipurpose usage: These suction cup hooks can hold a variety of items such as towels, toys, bathrobes, squeegees, and kitchen tools. 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: Made with high-quality materials and nano technology for high adhesion. Offers stronger performance than standard suction cups. Odor-free. Emphasis on product quality control to ensure reliable performance.