Excellent hoof sealant that protects the hoof and seals nail holes. 16 oz. jar comes with a handy applicator brush built into the lid. Hoof Guard keeps in natural moisture helping to prevent dry brittle hooves. Added UV protection guards against bleaching and surface cracks. The same Fiber used in bullet proof vests strengthens the hoof and helps to prevent quarter cracks and under slung heels. Application: IMPORTANT - Shake Well to get full benefit of fiber. The hoof should be free of dirt and other contaminants. Apply sealant as needed with large brush avoiding coronary band. Easy one coat application. For brighter and shinier hoofs, wait approximately 1 minute then apply second coat. For external hoof use only.