Premium material used for suction cup hooksThe suction cup hooks are made of premium PVC, ABS and stainless steel with super strong adsorption, they are non-self-adhesive, durable, waterproof and anti-corrosion and anti-rust, especially suitable as shower bathroom waterproof hooks as a bathroom towel holder Reusable and removable hooks without damage, easy to install Extra strong sticky hanging hooks are convenient to install, no drilling or holes, no nails, no screws, no glue, no damage to your wall, increase the suction power to the wall by rotating in the direction clockwise and remove by twisting counterclockwise, no glue and scratches left on your wall with 360 degree rotation hook, you can move it and fix it anywhere you want Big stick on heavy duty wall hooks with extra strong suction cup: Strong suction cup wall hooks have very strong suction power, can hold up to max. 8kg items, but it is recommended to use less than 3-5kg for daily life Terms of uselarge suction cup wall hooks can only stick on a flat, smooth, clean, non-porous surface, such as glass, mirror, acrylic, stainless steel, wood for the back of door, closet or bathroom, ceramic tiles in the kitchen for hanging dish towels, not suitable for dusty, porous and uneven surfaces like painted wall, cement wall, plaster wall, frosted glass, wallpaper wall etc. , bathroom towel racks, kitchen towel hooks, picture hooks, door coat hooks, mirror hooks, bathroom door hooks and window suction cup hooks, etc.