UmbraÍs U-LOCK Bathroom / Shower Shelf is a fantastic bathroom accessory. It can be used in showers, tubs or by the sink for extra storage. Features U-LOCK locking suction. An easy to use flip down latch ensure a tight seal on wall. The U-LOCK Bathroom / Shower Shelf is perfect for adult and child bathrooms alike. Also perfect for use in RVs. Design: Umbra Design Group. Other items in this collection also available. Translucent white. Shelf measures 4.1" x 12-" x 4.5". Umbra is the worldwide leader in casual, contemporary and affordable design for the home.