Specifications:
Item Type: Interior Tire Tube
Material: Butyl rubber
Any Style: 12 * 1.75 / 2.125 AV, 14 * 1.75 / 2.125 AV, 16 * 1.75 / 2.125 AV, 18 * 1.75 / 2.125 AV, 20 * 1.75 / 2.125 AV, AV, AV, AV, AV, 0 * 1. 75 / 2.12 AV, 22 * 1.75 / 2.125 AV
Size: about 10*5cm / 3.9*2.0inch
Weight: Approx. 7.5 - 16.2 oz (467 g); Package Contents: 2 x Interior Tire Tubes.