The Stans NoTubes The Solution Tyre Sealant. Will stop slow leaks and punctures. This Solution converts standard (non tubeless) tyres to tubeless. Also works with any tubeless tyre or tubular tyres. When properly used, it will seal up to 1/4 inch punctures. The Solution can be used year round, even in sub-freezing temperatures. It will not throw the tyre out of balance like other sealants are known to do. Stans NoTubes The Solution Tyre Sealant Features Stops slow leaks and punctures Works with tubeless tubular tyres Seals up to 1/4 inch punctures Used in any weather condition, even in sub freezing temperature