The Stans NoTubes Tire Sealant – 2oz is a fast-acting and reliable tubeless sealant designed to quickly seal punctures up to 1/4 inch (6.5mm). Its low-viscosity formula spreads easily inside the tire, ensuring long-lasting protection against flats. Compatible with tubeless and tubular setups, it works in a wide range of temperatures and is latex-based for an eco-friendly seal.