1. This suction cup accessory with powerful suction is made of polypropylene (PP) and thermoplastic polyurethane (TPU) materials. It is wear-resistant and not prone to breakage, with anti-aging and corrosion-resistant properties. It has strong adhesion, good results, and can be reused. It contains no glue, and a strong adhesive gel base is added to the suction cup to make it more firmly fixed. 2. Precautions: Ensure the surface and the suction cup hook are clean and dry before use. The surface should be sealed and can be made of metal, glass, ceramic tile, or hard plastic. You will receive 4 suction cup anchors with fixed hooks and 4 S-shaped hooks. 3. This hook with super-strong suction can adhere to non-porous surfaces. Each anchor can bear a load of up to approximately 10 kilograms, with relatively strong adhesion and high durability. 4. Easy to use: No screws, drilling, or glue are needed. Simply stick the suction cup on a clean surface, turn the handle to lock it firmly, and lift the lever. The operation is relatively quick and easy. 5. Wide range of applications: The car suction cup is suitable for surfaces and flat areas such as awnings, tents, sunroofs, sunshades, houses, and offices. It is a suitable product for camping enthusiasts and is also convenient to carry when traveling. 6. Color: Black 7. Material: Nylon + Plastic 8. Size: Approximately 19 cm 9. Package contents: - 4 multi-functional suction cups - 4 S-shaped hooks Only the above package contents are included, and no other products are included. 10. Note: Due to light reflection and differences in monitors, the color of the item in the picture may be slightly different from the actual one. A measurement error of +/- 1 - 3 cm is allowed.