[Compatibility] The shower grab must be mounted on a non-porous, non-textured and smooth surface such as glass, tile, please note that it is not recommended to install shower handles on grout lines or drywall. Our shower suction bar has added a color indicator to remind you if the product is maintained in suction condition. [Strong & Durable] The shower handles are made up of high quality ABS plastic and are equipped with 2 suction cups which have strong suction power, making it very strong and durable. You would not have to worry about slipping even on wet surfaces, for a stress free and safe experience in your bathroom bathtub, shower and toilet. [Hassle free installation] Quick installation without drilling. Just wiped the smooth surface,with the latch open, place it in the position you want it to be, press firmly to keep it tight, and finally lock it. [Safe & Non-Slip] The grip bar has an ergonomic bump designed for easy gripping, providing you with a non-slip grip, which makes it safe for pregnant women, the elderly, the injured and children. [WIDELY USED] Bathroom Shower Handle provides non-slip grip, which would be a sweet gift for elderly parents/grandparents, bathroom balance bar for tub/shower safety of elderly, kid, handicap, injured, pregnant