HOW TO USE: These grab bars are ONLY to be used on smooth dry and clean surfaces. Make sure all surfaces are thoroughly dry before installation. Make sure to test the suction before use to avoid injury. Check the stability and the suction of the bars from time to time .These bars are made ONLY to ASSIST and to properly support a human body, and NOT to stand or sit or support full body weight. Grab bars for bathtubs and showers,suction grab bars for showers. EASY TO INSTALL: Our bathtub security bar uses 2 suction cups with locking latches. They allow you to mount the bar wherever you want quickly and effortlessly. The locking latches have a color indicator that shows you if they are properly fixed. The installation requires no special tools or drilling and takes just seconds to attach. The heavy-duty grab bar can ONLY be installed on non-porous and flat surfaces such as tile, glass, acrylic, and metal. ENHANCED SECURITY: The suction grab bars for bathtubs and showers have comfortable easy to grip handles that ensure a non-slip grip for more stability and security. It has a slightly curved design that leaves you enough space to grab the handle thoroughly and easily. MULTIPURPOSE STURDY DESIGN: These suction shower handles for elderly are made with durable and sturdy materials. PORTABLE - Shower handle is portable and compact, so you can take it when you travel & easily install it wherever you are.Just push down the locking latches to firm or flip them up to release.