Made of high quality ABS material, durable. Guaranteed quality and service life, light and heavy, and the adsorption film has memory. When changing the mounting position, just wash the suction cups under running water.After drying,suction cups can be reused.Easy to install and uninstall, no tools to install and remove. It is lightweight and compact, so you can take it with you when you travel and easily install it in a hotel room or bathroom, and take it with you.you if needed, just push the locking latch down to lift the flap. Armrests can be securely attached to any flat, nonporous surface.It has a load capacity of up to 7.5 kg / 16.5 lbs. The suction cup has a vacuum lock ring, which can effectively prevent the suction cup from releasing air pressure due to tension and locking the vacuum. NOTE: Sectionslocated above the rotating suction cups are marked "OPEN" and "CLOSE". Turn clockwise to lock.Strong suction cup handle Bathroom wall mounted suction cup handrail Sliding door handle and bathroom strong suction cup Refrigerator door drawer cabinet suction cup handle Glass door cabinet Door handle pressure glue Handcurrent bathroom Suction cup handle for shower, glass suction cupPortable bracket handle, suction cup vacuum pressure provides excellent grip for easier opening of sliding doors/windows. Can be used on any flat surface without holes. It cannot be installedthan on any smooth surface, including tile, glass, metal, plastic, etc. Note: Do not use on rough or uneven surfaces! ! !