Important Note: Grab Bars For Bathrooms Are Only Suitable For Non-Porous, Flat, Smooth Surfaces Such As Tile, Glass, Acrylic And Metal. Please Avoid Installation On Porous Surfaces Or Grout Lines. An Uneven Surface Or Textured Surface Will Result In A Suction Cup That Is Not Securely Fixed. These Handicap Grab Bars Are Only Used To Assist And Properly Support Part Of Body Weight, Do Not Press With Full Weight | | Sturdy Durable: Shower Handles For Elderly Suction Are Made Of Sturdy Plastic, Durable, And Not Easy To Break. 2 Suction Cups Have Strong Suction, Are Very Stable, And Improve Safety, Can Provide Assistance In Using The Shower Stool For Inside Shower And Shower Chair For Bathtub, Without Worrying About Slipping In The Bathroom | | Safety Non-Slip: Shower Grab Bars For Seniors Have Comfortable And Easy To Grip Handles. It Has A Slightly Curved Design That Has Enough Space For You To Easily Grab The Handle, Ensuring Non-Slip And Providing Comfortable And Safe.