It is made of high-quality ABS material, strong and durable, with a load capacity of 7.5 kg / 16.5 lb, which has a stronger adsorption capacity than traditional suction cups. The suction cup has a vacuum locking ring, which can effectively prevent the suction cup from releasing air pressure due to tension and firmly lock the vacuum. Attention: The weight cannot exceed the load capacity of 15 kg, otherwise it will fall. The sturdy plastic handle, thanks to its function below, your hands will not slip even in wet conditions, providing safety protection for the bathroom, bathtub and shower. Note: Do not force the rotation or tear the handle. The part marked "OPEN" and "CLOSE" above the rotating suction cup. Clockwise rotation is the locked state, i.e., the "closed" state. Powerful suction cup handles, wall-mounted suction cup handrails for shower rooms, sliding door handles and strong suction cups for toilets and bathrooms, suction cups for refrigerator door drawer cabinet handles, glass door cabinets, pressure glue handles, bathroom handrails, suction cup handles for showers Easy to install and uninstall, no need to use 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 guest room bathroom, and carry it according to your needs, just push the locking latch down to fix the Flip up. The armrest can be securely attached to any flat, non-porous surface. Portable support handle, the vacuum pressure of the suction cup provides excellent grip, more convenient for opening sliding doors/windows. Can be used on any flat surface without holes. It can only be installed on any flat and smooth surface, including tiles, glass, metal, plastic, etc. Please note: Do not use on rough or uneven surfaces! ! !