[ Material] Fabricated from durable tapered softwood, provides a snug watertight are compatible and long-lasting performance [Function] Absorbs water and expands all of a sudden, effectively repairing leaks as a result of broken hoses and valves [Wide Application] Fill holes and prevent leaks in broken hoses, valves, seacocks, and through hulls [Different Size] Conical soft wood plugs in more than a few heights and diameters, agree to irregular and unpredictable hull breach shapes [Easy Installation] No modification required, quick and convenient to make use of, saving time and effort