Rust proof gel lock corner shower bin by Umbra features patented gel lock suction technology to hold strong on tile, glass and other smooth, non porous surfaces, including uneven surfa?ces to a maximum depth of 1 mm. The patented polyurethane gel outer rim prevents air flow from seeping in or out. When the cap is fastened the air lock seal is created. This shower organizer was designed to nestle into the shower corner and provide convenient storage for your shower essentials. Features 2 adjustable Gel Lock suction cups for better installation allowing you to avoid grout lines. Designed by Mingus New for Umbra original, modern, casual, functional and affordable design for the home.