★Bearing pressure , superior performance , combined tube tightly ★The tube is light weight , easy to carry ; small fluid resistance , the volume expansion is small , does not affect the pressure ★Softness good , good flexibility , under high pressure can still be easily pulling , not curled ★Inner conductive strip sandwich , to leakage caused by physical injury , machine damage and other possibilities , increase the factor ★100 % Satisfaction please if you have any questions.Thank You, Manufacturer: Watreketal