The Stans NoTubes The Solution Tyre Sealant. Will prevent slow leaks and punctures. This tyre sealant converts standard tyres to tubless an when properly used will seal up to 1/4 inch punctures. Suitable for all-year use, even in sub freezing temperatures, this superb sealant won't throw the tyre out of balance like some others out there are known to do. Plus, available in a quart size, this NoTube tyre sealant offers fantastic value for money - just one bottle seals up to 16 tyres! 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