Designed to provide the materials needed for structural repairs of composite hulls. The Fiberglass Repair Kit contains three 12" x 12" pieces of woven 10 oz friberglass cloth, one quart vinylester resin, 12 cc catalyst sand paper, sanding block, disposable gloves, and instructions; enough material to repair two fractures or punctures up to 8" long. Also useful for stiffening overly flexible or weakened hulls.