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. Note: The weight cannot exceed the load capacity of 15 kg, otherwise it will fall. The sturdy plastic handle, due to its function underneath, your hands will not slip even in wet conditions, providing safety protection for the bathroom, bathtub and shower. Note: Do not force or tear the handle. The part marked "OPEN" and "CLOSE" above the rotating suction cup. Clockwise rotation is the locked state, that is, 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