Safety Tip: The Newthinking bathroom suction cup handrail gives you stable confidence in slippery environments and provides balance assistance for the elderly, injured or anyone who needs extra stable grip support in the bathroom. The powerful suction cup can be used on any non-porous, flat surface, including smooth tile, glass, porcelain, or fiberglass. Not suitable for uneven tiles, unfinished marble, plasterboard, porous surfaces, mosaic tiles, etc New Upgraded Material: The suction grab rail are made of high-quality ABS materials and strong suction cups. Heavy materials can provide more stable and powerful balance support, and the anti-slip design of the bathroom handle can increase your grip. The suction cup can completely adsorb the smooth and flat surface, and the powerful vacuum absorption force can keep you confident when walking in the bathroom. Safe-installation Indicator: There are two color indicators at both ends of the grab handle for safety warning, to check if the suction cup is in a vacuum. The initial state indicator will show red and the vacuum state indicator will show green. If the indicator shows red after installation, you need to install it again. When the indicator shows green, you must carefully test whether the grab is firm to ensure safe use. Drill-Free Installation and Portable: Portable shower safety handle with suction cup fitting and rapid release! The suction grab bars are easy to install, tool-free/no drilling. The grab bar will not harm surfaces when installed and used properly, portable and removable design also can be applied to hotels when traveling. User Guide: Correct installation is the key to safety. 1)✔ This Suction Grab Bar only works on tile size LARGER THAN 4"x4", 2)✔ The suction discs can not be mounted on grout seam(s). 3)✔ Make sure there's no texture on the shower wall, 4)✔ The mounting surface must be flat and smooth for any other applications.5)✔Safety test must be conducted before using the product., Weight: 1.1684499886 Pounds, Manufacturer: Newthinking