Chrome Suction Cup Grab Bars provide excellent temporary balance assistance on any non-porous surface. The BactiX™ built-in antimicrobial protection which shields against odors, molds, stains and other bacteria, including Staph and E. Coli.A color indicator changes from red to green to signify grab bar is secure. Not to be used to support full body weight.Specifications .- 12" or 16" (30.5 cm or 40.6 cm)- Will not support full body weight- Color indicator changes red to green to signify if bar is secure- Quick and easy installation