Sturdy STICKY Design w/ US Pending Patent: 3.54 inch large suction cups with reusable STICKY PU Polyurethane Viscose Patent design, provide an extremely strong hold. Munzong 15 inch white and gray suction cup grab bars for bathtubs and showers(1.25 inch tube tubing) are able to support up to 440 lbs of pull force to provide a stable, reliable handhold; Made of PVC Plastic + Aluminium Alloy. Featuring a non-slip rubber grip and molded handle finger grips for additional safety and security. Easy Installation: Suction cup shower handle for elderly are very popular shower grab bars because of its easy installation that does not require tools, fasteners, or drilling. Just clean the wall, press the suction grab bar on the wall in seconds and lock latches on each suction cup. Always check to make sure both indicators are green and test to make sure the bar is securely attached before using. Wide Application: The strong suction grip bars hold tightly to any smooth, flat and non-porous surface which is larger than 3.54 inch. Use 15 inch anti slip safety grab bars for elderly in the bathroom, kitchen, along stairways, or in the laundry room for additional fall prevention, especially for the handicap, elderly, pregnant women, and children. CAUTION: Suction Cup Shower Balance Bars are generally designed to assist with stability and balance rather than to support the whole weight of an adult in case of a fall; If it can be moved or feels at all loose, flip up the latches and reattach in accordance with these instructions.Ensure that reattachment is secure before use; The suction discs must be mounted on a flat, non-porous and smooth surface that has no texture.