Newthinking Suction Bathroom Grab Rails will give you steady confidence in a slippery area. Strong suction cup design works on any non-porous, flat surface, including smooth tiles, glass, porcelain or fiberglass. Please note not adhere to rough or uneven surfaces ASSISTIVE WALKING TOOLS: Bathroom suction grab bar rail can assist elderly and toddlers with reduced mobility in and out of the bathroom. This is an assistive tool and cannot complete weight-bearing EASY INSTALLATION AND REMOVAL: The suction grab bar rail does not require tools and perforations, and it will not damage your wall. You can complete the installation and removal in less than a minute. Refer to the installation steps for instructions. Please check or reinstall before each use to ensure safety STALLATION TESE BEFORE USE IS NECESSARY: For safety reasons, we recommend that you check if the suction cup is fully absorbed before using the safety suction cup armrest, and do a load test to ensure that the product will not fall BEFORE YOU BUY: Our products are only suitable for smooth, flat, non-porous surfaces, such as tiles, marble, glass, etc. Please make sure the adsorption surface is larger than 4 "* 4" and avoid grouting lines, Weight: 0.9038952742 pounds, Manufacturer: Newthinking