Grab Bar For Bathtub And Shower. Removable Shower Handle, Bathtub And Toilet Safety and reliability is the best performance, in view of the poor adhesion of similar products on the market before, after several designs, material improvements and more than 1,000 tests of industrial grade suction cups, the suction is more than ten times that of similar products, our samples have been perfectly fixed on the wall for more than half a year Revolutionary upgrade, Use an air pump with a warning line, once the red warning line is exposed, repeat the pressure pumping until the warning line is no longer visible, the suction cup is in the best working condition, do not worry about it falling off. With a higher safety factor, to ensure the use of long-term effect. Placed at any height to provide reliable support when getting up. Can be easily moved or repositioned. Skin type coating, comfortable to touch, hands are not cold. Despite its superior performance, it has a load-bearing limit of over 400 pounds and is sturdier than other shower handles. Installation tips: The diameter of the bathroom handrail suction cup is 5.1 inches, so the diameter of the adsorption surface must be greater than 5.1 inches, suitable for smooth, non-porous flat tile, marble, glass, metal surface. Uneven or textured surfaces can cause the sucker to not hold firmly. Before using, you must dry, must dry, must dry the water on the walls. The most sincere blessing, We are committed to improving your quality of life after use. Please contact us through Amazon with any questions or concerns. If you have any ideas for improving the product, please let us know