Made of high-quality ABS material, sturdy and durable, with a load-bearing capacity of 7.5kg/16.5lbs, it has a stronger adsorption capacity than traditional suction cups. The suction cup is equipped with a vacuum locking ring, which can effectively prevent the suction cup from releasing air pressure due to tension and firmly lock the vacuum. Note: The weight cannot exceed the load-bearing capacity of 15kg, otherwise it will fall. The sturdy plastic handle, due to the function below it, your hand will not slip even in a humid environment, providing safety protection for bathrooms, bathtubs and showers. Note: Do not force or tear the handle. Rotate the part marked OPEN and CLOSE above the suction cup. Clockwise rotation is locked, that is, closed. Strong suction cup handle, shower room wall-mounted suction cup handrail, sliding door handle toilet bathroom strong suction cup, refrigerator door drawer cabinet handle suction cup, glass door cabinet, pressure glue handle, bathroom handrail, shower suction cup cup handleEasy to install and uninstall, no tools are required for installation and removal. It is lightweight and compact, so you can take it with you when traveling, or easily install it in your hotel room or bathroom. Take it to the shower, and carry it as needed, just push the locking latch down to flip it secure. The armrest can be firmly fixed on any flat, non-porous surface. Portable bracket handle, suction cup vacuum pressure provides super grip, more convenient to open sliding doors/windows. Can be used on any flat surface without holes. It can only be installed on any flat, smooth surface, including tiles, glass, metal, plastic, etc. Please note: Do not use on rough or uneven surfaces