PATENTED SUCTION CUP - Soap Dish features our patented suction cup of Bionic design of Octopus Tentacles which creates a vacuum seal for lasts holdeing, also features high quality materiel wtih weather resistance(-4?-174?), water resistance, oil resistance and anti-aging. The soap dish holder can hold up to 5kg / 11 lbs and stick sturdy for years after installation without any concerns. RAISED RIDGES & DOUBLE LAYER - The raised lines in removable bath soap holder allows the the soap won?t get soggy and won't stick to the soap tray. Double layer design makes the wall soap holder have a removable tray, easy to clean and moistureproof. More durable to hold soap, sponge, loofah for your bathroom, kitchen, RV, etc. REMOVABLE & REPOSITIONABLE - The bath soap holder is easy to remove and re-install for repeat use. Just use a credit card to disassemble the suction cup and wash the suction cup with warm water before re-installation. WARM TIPS - This heavy duty shower suction cup soap saver works best for non-porous, impervious, smooth surfaces such as glass, mirror, polished metal, stainless steel, plastic board, wall tile, grainy granite, etc. Please remind that don't stick to a grout line and on the porous surfaces such as: wood, unfinished marble, porcelain, wallpaper, natural stones (such as travertines, painted wall, etc.)