High quality material: The suction cup hook is made of high quality nylon and zinc alloy, strong and durable. The material is wear-resistant, not easy to break, and lightweight. The hook can be rotated 360°, with excellent elasticity, strong ductility, and strong adsorption, suitable for hanging most items. Super strong vacuum effect: The maximum load-bearing capacity of the suction cup is suitable for use on smooth, dry, and clean surfaces. Safe and secure hold. Easy to use: No screws, drilling, or gluing required for installation. The suction cups are removable, washable, and reusable. Removes without leaving marks. Ensure the surface and suction cup are clean and dry before use. Wide application: The suction cups are ideal for use with awnings or shade sails and are suitable for all smooth, clean surfaces such as glass, boats, cars, RVs, luggage racks, camping gear, surfboards, etc. They can also be used in kitchens and bathrooms. Note: Measurements are manually taken; please allow 1-4 cm error. Due to lighting and screen differences, there may be slight color variations. Actual product may vary slightly.