The Orange Seal Endurance tyre sealant is formulated to maximize longevity enabling the rider to go longer between top-offs and all while offering the same quick sealing properties that is expected. Whether you are a beginner, expert or somewhere in-between, you will benefit from its proven ability to last up to three times longer. It is proven to seal large punctures up to 1/4" and perform under varying temperatures and altitudes. Orange Seal Tubeless Tyre Sealant is compatible with most bike tyre systems and is eco-friendly. 8oz refill.