SUPER POWERFUL HOOKS: Our suction cup hooks are made of PC + ABS + TPE, which make the hooks safe to use and have better suction power than common PVC suction hooks Durable materials with the principle of octopus bionics make the shower suction hooks can hold up to 11LBs and have persistent adsorption for 1000 days.1- SECOND INSTALLATION REMOVE: Clean and dry the SMOOTH AND NON-POROUS wall first, peel off the clear film from the vacuum suction cup, put suction shower hook on wall and press the button to squeeze out the air. Insert a thin card between suction cup and wall to break the sealed space and then remove easily without damaging the wall.ADJUSTABLE REUSABLE: Rotatable shower hooks make your installation more convenient when you install the shower hooks for inside shower at a wrong angle, just rotate the hook to meet your requirement. Also, our bathroom suction hooks are reusable, wash and blow-dry the suction cup to make it soft, and then it can be reused.APPLICABLE SURFACES: Our bathroom towel hooks work well on SMOOTH AND NON-POROUS surface such as glass, mirror, tile, marble and stainless steel. Not suitable for painting walls, latex paint, old ceramic tiles, cement walls and other breathable materials. And remember to CLEAN AND DRY THE SURFACE before installation.WATERPROOF AND WIDE USE: Our suction cup hooks won’t damage the wall, so it is very suitable for people living in an apartment or lease. Also, the hooks are waterproof so you can use our suction hooks for shower wall, and you can install the suction bathroom hooks everywhere in your home, such as, bathroom, kitchen, living room etc. That is a good choice to use it to hang clothes, hats, scarves, bags, wreaths, bathrobes, towels, etc.