Stan's No Tubes Original Tubeless Sealant The OGTubeless sealant changed the game when it came to riding. For the first time, riders could ditch their tubes, add sealant, and drop the tire pressure for a smoother ride, better traction, and fewer flats. The Stan's No Tubes Original Tubeless Sealant is the world's first tubeless sealant and the first choice of riders today. It is recommended for all-around use and is compatible with all tubeless road, gravel, and mountain bike tires. It can seal punctures up to 6. 5mm (1/4") and remains liquid inside tires for 2 to 7 months for long-lasting protection. Features Seals punctures up to 6. 5mm or 1/4"Remains liquid inside tires for 2 to 7 months for long-lasting protection Compatible with all tubeless road, gravel, and mountain bike tires | Stan's No Tubes | Original Tubeless Sealant 500Ml