Umbra Flex Adhesive Squeegee Flex Squeegee has an 11 ½ inch (29 cm) handle that extends to 16 inches (40 cm), giving you the extra reach that can make all the difference when cleaning surfaces in your washroom or other areas in the home. This cleaning tool essential comes with a hook that utilizes sure-lock technology for a strong, long-lasting suction hold to the surface of your shower. Easy to install, Flex Adhesive Squeegee includes non-damaging, waterproof adhesive strips that can be applied on various surfaces such as tiles, dry wall, concrete, etc. (does not work on porous surfaces). It dries and stores away neatly without you having to drill any holes in your wall.