Strong Adhesive Hooks: The hooks are made of high-quality stainless steel and PVC materials, durable and sturdy. Each wall hook can hold up to 44lbs, enough to hang up students' backpacks. . Transparent Seamless Sticky Hooks: Designed with the transparent look of seamless hooks making them virtually invisible, these large sticky wall hooks are great for home decor. Easy to stick and remove without damaging the wall. . Waterproof & Rustproof: Durable non-magnetic metal stainless steel is corrosion resistant and won't rust when used in the shower. In addition, the bathroom hook is waterproof and oil-proof. Good stickiness and sealing power ensure that the wall hook won't fall off even it is under the bathroom shower or kitchen. . Multi-Utility Hooks: These clear sticky hooks rotate 180 degrees and are very easy to use, making life more convenivent. Perfect adhesive hooks for Christmas lights, Christmas wreaths, coats, hats, jackets, scarves, keys, kitchen utensils, and so on. Also can be used as shower hooks for hanging your towel, bathrobe, body brush, and loofah, etc in the bathroom. . Easy to Install: 12 pack hooks heavy duty, no nails and drill needed. Just peel off the protective film in the back and stick it on the smooth and non-porous position(We suggest you wall hooks stick on the SMOOTH HARD SURFACE like ceramic tile, glass, marble, metal surface, etc.) . Notes:We recommend using the hooks on a flat, clean wall,NOT recommended for use on walls that are prone to peeling,Also NOT recommended for wallpaper surface In addition, Use the hooks after 12 hours of installation .