Puncture prevention sealantZ-Sealant was designed for preventing punctures. For use with an inner-tube it needs to be injected into the valve using the nozzle provided or into the side of the tyre for a tubeless system, helping to prevent punctures up to 3mm.The latex-based-formulation remains efficient for a minimum of 6 months.In case of hot weather, it is recommended to use Z-Sealant more regularly.The Z-Sealant formula contains less than 1% ammonia and won't damage your tyres.Shake before use.It won't freeze.Capacity : 1 Ltr or 125ml (min 50ml per tyre)