Combination use: Each size is 2.76x 2.76 inches/7x7cm, and it is used in different ways. All the unnoticed vertical spaces can be used to add more storage space or style to your home. You can use these invisible hooks to hang shower gel, shampoo, detergent, umbrella, keys, scissors, etc.Strong adhesion, 100% waterproof, suitable for all areas, including bathrooms and kitchens. Suitable for the smoothest walls, such as glass, wood, marble, plastic, metal, etc. No glue or extra screws are needed. You can remove and reposition the hook without leaving any residue.The adhesive strength is strong,, which can meet most daily needs; in addition, these hooks leave no traces and are waterproof, you don't have to worry about them falling off, they can be used for a long time.No nails and no drilling, you can install the multi-functional round hook easily and quickly. Will not leave traces or residues or damaged glue on the surface.There is no stagnant water, the corners are smooth, roll a lot, hang on the wall, save space. No need to drill. Most hand sanitizers can be installed, can be used upright, transparent PVC material, suitable for a variety of home styles. colour: white Material: PVC Package Contents:5 x Viscose shelfOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.