Clearing up counter or shower space, Umbra Flex Sure-Lock Shelf is a modern bathroom shelf that can be used for all types of storage. Utilizing sure-lock technology which works on smooth, flat surfaces including, tile, glass, mirrored or melamine, this versatile bath shelf creates a vacuum seal grip to your chosen smooth surface for a durable hold that wont budge. With space for bottles or bars of soap, this modern bathroom shelf also has two holes for easy razor storage while its sure-lock grips also double as hooks for loofahs or face towels. Rust-proof and with integrated drainage holes, Flex Sure-Lock Shelf is designed to provide elevated clutter-free storage that lasts. This easy to use storage shelf measures 17.6 x 4.9 x 3.6 inches (41.3 x 11.6 x 8.3 cm) and holds up to 10lbs (4.5 kg). Both damage and tool-free, installation is painless. For best results, we recommend tightening the SURE LOCK knob once a month.