Features: 【Patented Rubber Technology， Greater Suction Power】: The 8" suction cup made with high quality natural rubber which has long-lasting suction and is not easy to fall off. Cold and heat resistant, not easy to deformation, can work in -20℃ to 60℃ temperatures. The sturdy plastic handles, with more wear-resistant and has a non-slip effect. Strong suction, seamless gap, no air leak, solid and durable. 【Simple to Use】: just pump the plunger a few strokes, the vacuum cup will attache the surface completely and hold suction for more than 6 hours. Release valve lever permits quick and complete release. .
eBay