Made of high quality ABS material, strong and durable. To ensure quality and service life, it is light and heavy, and the adsorption film has memory. When changing the installation position, simply clean the suction cup under running water. After drying, the suction cup can be used again. Its load-bearing capacity can reach 7.5 kg / 16.5 lbs, which has stronger adsorption capacity than traditional suction cups. The suction cup has a vacuum lock ring, which can effectively prevent the suction cup from releasing air pressure due to tension, and firmly lock the vacuum. It only takes a few seconds to release. lay on the ground, then press the safety lock switch. Perfect snowbirds, vacations, hotel accommodations, rent, temporary repairs or permanent handrails are not feasible at all times. No tools or professionals are required for installation and disassembly. Suitable for all kinds of drawers and hooks.