High QualityThe windshield hook is made of PET material, which is characterized by excellent quality, which is more durable and environmentally friendly, which can have good water-resistant ability. OdorlessPVC material, toxic-free, suction cup hook is characterized by excellent quality, which is more durable and more environmentally friendly, which can have good water-resistant ability Powerful Suction & No TraceWon't leave stains on the wall/glass, 70mm suction cup in vacuum is larger than hooks in the market offer you great support, provide antifreeze function, avoid the suction cup harden as the temperature changes Easy to useIt doesn't need to drill the holes in the wall, the suction hook; you only need to attach the surface of the hook to the wall, firmly press its center of the suction cup. And then you rub it and take the air out; 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 surface or slightly textured earthenware) / plastic support or metal/glass/laminate furniture etc.