These adhesive stickers are suitable for smooth tiles, marble, metal, wood, tempered glass and wood and not suitable for coarse surfaces, painted wall, wallpaper, limed walls and concrete walls. Please check the surface carefully. If you have any doubt, please , we will reply within 12 hours. Installation Instruction: 1) Wipe the surface where you want to stick and make it dry. 2) Tear off the back film of the adhesive shower hooks, then pasted the shower caddy adhesive strips on the cleaned surface. 3) Put your rack on the adhesive shelf hook. Package : 2 x adhesive shower stickers Tips: 1) It is recommended to be pasted on a smooth, flat and dry surface to make sure it will stay firm. 2) Please pay attention that shower wall stickers are not reusable. 3) Make sure the surface is dry before sticking. 4) If you want to remove the strong shower adhesive strips, you can use the hairdryer to heat the adhesive shower caddy and then take the adhesive shower basket stickers shelf strips down. 5) These shower caddy sticky pads are designed for flat bar shower shelf [POWERFUL ADHESIVE] 2 Pack of Adhesive Shower Caddy can withstand up to 40lbs. the video to believe it. [STRONG HOOKS] Can hanging floating baskets, racks and shelves without any problems. [TRANSPARENT] Look great in the shower. These traceless adhesive are not reusable [WIDELY ] Applicable to varieties of shower caddies in the market, with stusgo, kadolina, Carwiner, EACHPAI [PRODUCT SIZE AND QUANTITY] H x W - (2.6in x 6.5in) per piece and 2 pack * Adhesive for Caddy (NOTE: If your adhesive replacements have any problem, please immediately)