Stan&';s NoTubes Sealant is a thin, low viscosity liquid that coats the tire interior and seals punctures quickly New label, same original Stans formula The world&';s first tubeless sealant and the first choice of riders today Now in metric volumes to better align with global distribution. Still includes imperial conversion on packaging Addition of new 250ml Bottle size option great for travel and can refresh up to two wheelsets on the go New updated bottle now made from 30% post consumer recycled materials. New label updated from clean-peeling BOPP material Recommended for all-around use, compatible with all tubeless road, gravel, and mountain bike tires Compatible with valve installation using Stan&';s Tubeless Sealant Injector Two ounces of Stan&';s in a tubeless tire can repair punctures up to 1/4" Formulated to stay liquid in tires for up to seven months (arid conditions require more frequent monitoring of sealant levels) Stable down to -30 degrees Fahrenheit Non-hazardous, non-corrosive, non-toxic Contains natural latex