Robust Load Capacity: Engineered to support up to 35 kg (77 lbs), these suction cup hooks firmly adhere to flat surfaces without the need for drilling or adhesives. Ideal for both indoor and outdoor use, they leverage negative pressure to maintain a secure hold, perfect for travel or home applications. Materials: Constructed from high-quality PP and TPU, these hooks are designed to resist wear and breakage. They offer exceptional adhesion and an enhanced anti-slip effect, maintaining stability under varying temperature conditions, from cold to hot, ensuring long-lasting performance. User-Friendly Design: Easily attach these hooks to any smooth surface including glass, boats, cars, and RVs. For optimal adhesion, clean the surface with a cloth, press the suction cup to expel air, and lock it in place with the red handle. Simple, quick, and effective. Versatile Applications: Ideal for securing tents, awnings, and tarps to vehicles during outdoor adventures, these hooks also perform well in domestic settings like bathrooms and kitchens. Their glue-free design means no more holes in walls, offering a practical solution for hanging items. Comprehensive Set: This package includes 4 high-strength suction cup hooks, enhancing your ability to hang items on glass, tile, or stainless steel surfaces. Note: These are not suitable for concrete walls or uneven surfaces, ensuring clarity and suitability for your specific needs. Color: Black Material: Plastic Package Contents: 4 * Suction Cup Hooks Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.