【Premier material used for the suction cup hooks】：The vacuum suction hooks heavy duty is made of premier PVC, ABS and Stainless steel material with super strong adsorption, It is non self-adhesive, durable, waterproof, anti-corrosion and anti-rust, especially suitable as bathroom waterproof hooks for shower as bathroom towel holder 【Reusable and Removable hooks damage free, easy to install】: The extra strong sticky hanging hooks is convenient to install, no drilling or holes, no nails, no screws, no glue, damage free for your wall, Increase suction power to the wall by rotate clockwise and remove by rotate counterclockwise, no glue and scratches left on your wall with 360 degree rotation hook design, you can move and fix it to anywhere you want 【Big stick on wall hooks heavy duty with extra strong suction cup】: The strong suction cups wall hanging hooks are with very strong suction power, can hold up to max. 8kg items, but it is recommended to use less than 3 -5kg for daily life