Stan's No Tubes 32oz Tire Sealant

First choice of riders around the world for tubeless conversion and flat prevention

Seals punctures up to 1/4" (6.5mm) quickly

Remains liquid inside tires for 2-7 months for long-lasting protection

Premium low-viscosity formula resists freezing to work in environments as cold as -20° F (-28° C)

Natural materials, safe for the environment

Can be injected through valve stems with removable cores compatible with tubes and tubular tires