(Strong Adhesive) Made of high quality and thick rubber, the suction cup is smooth and does not scratch the glass surface, making it more powerful and adsorptive suction cup for glass.This super strong suction board can withstand up to 154.3 lbs (70 kg), and can withstand up to 132.2 lbs (60 kg), so you dont have to worry about it falling off. (Excellent Durability) This vacuum lifter is made using the latest technology in one piece, so it will not easily break at the joint part. Made of aluminum alloy, anti-rust and durable for long time use.