High Quality The windy hook is made of PET material, which is characterized by excellent quality, more durable and more environmentally friendly, which can have good water-resistant ability. .Odorless PVC material, non-toxic, suction cup hook is characterized by excellent quality, more durable and more environmentally friendly, which can have good water-resistant ability.Powerful Suction & No Trace Will not leave stains on the wall/glass, 70mm vacuum suction cup is larger than hooks on the market, gives you great support, provides antifreeze function, prevent the suction cup from hardening as the temperature changes.Easy to Use There is no need to drill the holes in the wall, the suction hook just need to attach the surface of the hook to the wall, firmly press its center of the suction cup. And then you scrub it and pull out the air finally, press it on the wall. .Wide ApplicationBathroom accessories have a very ingenious mechanism to hang them, held shower caddy super well on the wall (not mosaic or lightly textured tile surface) / plastic or metal / glass support / laminate furniture etc. .