Slime Filled Normal Length Schrader Valve Butyl Inner Tube 20 x 1.50 / 2.125 Inch - 40/57 x 406

Once installed into the tyre, SLIME remains a liquid- evenly coating the inside. When a puncture occurs, the escaping air forces SLIME into the hole where it creates a long lasting, flexible plug.

Non Flammable
Non Toxic
Non-hazardous-water soluble formula
Instantly seals punctures in the tread area up to 1/8"