The OXO Good Grips StrongHold Suction Large Basket keeps multiple bottles of shampoo, conditioner, and body wash handy and organized. You can even store bottles upside down thanks to the convenient bottle holes. Heavy-duty, phthalate-free StrongHold suction cups keep the basket firmly in place and slide to avoid grout lines. Installation takes seconds and is completely tool-free. Large capacity basket keeps multiple bottles handy Attaches to walls using strong, phthalate-free StrongHold suction cups Features holes to store upside down shampoo, conditioner and liquid soap bottles Lever-activated StrongHold suction cups facilitate tool-less installation Suction cups glide to avoid grout lines For best results, use on smooth enamel surfaces, mirrors or glass. Not recommended for use with textured or porous surfaces including stone, acrylic or metal.