OXO - Good Grips Press-Sure Corner Shower Caddy - Suction Bath Accessory for All Surfaces ATTACHES TO MOST SURFACES - The Press-Sure Corner Shower Caddy can attach securely to both porous and non-porous surfaces, including tile, marble, stone, and glass. By using tension and friction, the shower caddy forms a secure grip to the wall of your shower. NO TOOLS REQUIRED - OXOs corner shower caddy is easy to install and remove. Just push or pull the handle to secure or release it  no tools required. It provides a secure and stable shelf for your products, and when you want to move it, you can do so in seconds DESIGNED TO HOLD VARIOUS ACCESSORIES - Now you can keep all of your bath accessories organized and within easy reach. This convenient bath accessory features a metal bar and two metal hooks for razors, loofahs, and other accessories. NO STANDING WATER - Drainage slots keep water from pooling on caddy, and small holes let you store shampoo bottles upside down, so you dont have to fight to get shampoo out when your bottle runs low. CLEAN SURFACE BEFORE INSTALLATION - Not thoroughly cleaning the shower surface before installation can cause this item to not stay in place. Before you install the shower caddy, thoroughly clean the shower surface and allow it to dry.