Stans No Tubes Regular Tire Sealant - 2oz Bottles | Bicycle Tubeless TechnologyStan’s NoTubes Sealant is a thin, low viscosity liquid that coats the tire interior and seals punctures quickly. Two ounces of Stans in a tubeless tire can repair punctures up to 1/4 to keep you rolling. Stans Tire Sealant is formulated to stay liquid in tires for up to seven months. Arid conditions require more frequent monitoring of sealant levels, but anti-freezing agents in our special formula allow Stans Tire Sealant to be used in temperatures as cold as -3