Command Large Bathroom Hook lets you organise both inside and outside of the shower. The hook is not affected by hot, wet or humid environments and easily sticks to a variety of surfaces, including glass, mirror, tile, fiberglass, wood and painted surfaces. Tested and proven to hold better than suction cups, it is easy to apply and come off cleanly without damage. It's easy to reposition with assorted water resistant refill strips. Its a great product that will last you for very many years.