SANNO Two Suction Shower Caddies, Deep Basket Shelf with Suction Cups,Bath Organizer Kitchen Storage Basket for Gel Holder Bathroom Storage Shampoo, Conditioner -2 Pack

? Suction works best on ceramic tile, glass, mirror, granite, stainless steel, acrylic, plastic, laminate and any non-porous smooth surfaces. ? Suction will not work over grout lines or on porous surfaces, such as: wood, porcelain, marble, wallpaper, natural stones such as Travertines, painted wall & any surface that is bumpy, etc...