Super strong, load-bearing, and durable material. The suction cup hook is made of high-quality ABS plastic and TUP rubber, which can withstand a maximum load of 6.8 kg. It is durable and can be used for years. Damage-free installation design. No tools, drilling, or screws are required. The hole-less installation prevents damage to permanent structures such as walls, and the installation position can be flexibly changed. Simply attach the hook to the tiled wall. Effortless removal. If you need to change the position, simply lift the suction cup to release it from the wall. Ensure that no dents or wear remain on the wall and that the surface remains clean. Easy to use. Before installation, ensure the surface is clean and dry. Press the suction cup firmly for 3 seconds to expel the air, then pull the hook down to secure it to the wall. You can hang clothes, towels, bathrobes, and other items on it. Application and precautions. This product is only suitable for non-porous and smooth surfaces such as polished tiles, mirrors, and glass windows. It is not suitable for porous or uneven surfaces such as rough paint and unpolished marble.