The SBS Crack Filler Kit contains: one resealable 2 oz. tube and reinforcing mesh. This crack filler kit has excellent adhesive qualities and is impervious to water, urine, and other contaminants. When cured, it becomes a part of hoof wall and can be easily rasped and trimmed like natural horn. The easy-to-use two-part system includes convenient resealable tubes and allows you to use what you need. Approximately 6 to 8 repairs per kit. Fills in nail holes and small cracks.