Apply to bath or shower for extra safety. The sturdy suction cup design will only work on any non-porous, flat surface, including tile, glass, acrylic and metal. Provide up to 300 lbs of extra stability when entering and exiting the tub or shower for a safe and comfortable experience^ Ideal for securing any vertical or horizontal surface in seconds. PhD. This bathtub support handle has a non-slip handle, ideal for seniors, seniors, disabled, disabled, toddlers and other children. This tub brace is great for post-operative recovery and injury prevention. It even makes a great footrest when you need to shave your legs in the shower ^ No installation, no drilling or drilling required. This bathtub safety support rod can be attached to any flat, non-porous surface such as tile, acrylic and glass. It does not apply to natural stone, porous tiles, 4X4 tiles or wall panels. Note: If you are having trouble holding the tub support rods in place, it may mean that air is seeping into the suction cups. For a better seal, apply water or petroleum jelly to the tile or suction cup. ^ Can be easily removed and repositioned. Lift tabs allow for easy repositioning of the armrest. Adjust the height of the shower wall, change to the side of the tub, or even take it with you when traveling for a safe bath or shower anywhere. When properly installed and used, the armrest will not damage the surface. ^ The flip-up tab creates a vacuum to hold the handle securely in place. Helps maintain balance when getting in and out of the tub or shower