Get all the benefits of going tubeless; puncture prevention, improved handling, reduced weight. Giant's Tubeless Tyre Sealant seals punctures up to 6.5mm fast, stays liquid for 2-7 months and resists freezing - working down to -34° C. Featuring natural materials our sealant is safe for the environment and can be injected through the stems with removable coresKey Features:Seals punctures quickly up to 6.5mm / 1/4"Remains liquid for 2-7 months for long-lasting protectionPremium low-viscosity formula resists freezing - works in environments as cold as -34° C / -30° FMade from natural materials - safe for the environmentCan be injected through valve stems with removable cores, compatible with tubes and tubular tires