Kevlar Tuff Hoof Guard Sealant is a clear sealant with high impact Kevlar Aramid Fiber added for stronger healthier hooves that keeps natural moisture in and the weather out. Hoof Guard seals nail holes and small cracks in the hoof wall preventing harmful bacteria from entering. Hoof Guard keeps in natural moisture helping to prevent dry brittle hooves. Added UV protection guards against bleaching and surface cracks. The same Kevlar Aramid Fiber used in bullet proof vests strengthens the hoof and helps to prevent quarter cracks and underslung heels.