Reserve's sealant has been custom formulated to provide superior sealing for all tubeless tire systems. In laboratory and ride testing, it's been found to provide a more durable seal, that will hold higher pressures on a bigger hole, for a longer period of time. The 200ml bottle provides enough sealant for two mountain bike wheels and four road bike wheels. Fills holes up to 7mm Biodegradable natural fiber Compatible with all tire types