Slime 30070 Self-Sealing Smart Tube, Schrader Valve (29 x 1.85-2.20"")

Slime Self-Sealing Smart Tubes are pre-installed with Slime Sealant, providing maximum puncture protection. Slime Tube Sealant prevents and repairs flat tires caused by puncturing objects up to 1/8-inch (3mm) in diameter. That means longer distances, faster times, and no flat tires. Slime Self-Sealing tubes install like regular bike tubes and repeatedly seal punctures for up to two years. Non-toxic and non-flammable, Slime Sealant cleans up with water and is designed to seal tread area punctures.