1. High-quality - The window glass handle opener is made of high-quality ABS material. It is durable and portable, with guaranteed quality and durability. It is lightweight but has a strong load-bearing capacity. 2. Powerful adhesive installation - The window handle can bear a load of up to 7.5 kg/16.5 lbs. It has a stronger adsorption force than traditional suction cups. It comes with a suction cup with a vacuum locking ring, which effectively prevents the suction cup from bursting due to air pressure after stress relief and firmly locks the vacuum. 3. Long-term use - The glass suction cup handle has a memory function. When you change its installation position, simply rinse the suction cup under tap water. After it dries, the suction cup can be used again. 4. No drilling required - It only takes 5 seconds to place the doorknob rod on the surface and press the safety locking switch for installation. It can also be used in bathrooms and other wet environments without the problem of water vapor. 5. Wide application - It is suitable for all types of drawers and hooks. It is widely used on glazed surfaces, tiles, glass mirrors, patterned tiles, frosted glass, painted wood moldings, and other convex surfaces with irregularities less than 1 mm.