Fiber gel sealant for inner-tubes (not for tubeless system). Contains micro-fibers to prevent punctures in the tread up to 3 mm. Non-toxic, Long lasting and easy to install. Easy to use spout fits into all valves.
For effective puncture resistance, add fresh sealant every 12 months. If you get a puncture, always SPIN the wheel to distribute the sealant.
Recommended Amount for 1 26" or 29" inner-tube: a 240 ml bottle is good for 2 bicycle wheels.
Buy No Flats Yellow Gel Tyre Sealant from Chain Reaction Cycles, the worlds largest online bicycle store.