Our black contractor bags are a true 2.5 MiI bags. Designed to hold the sharpest and toughest debris like wood, glass, concrete and landscape waste. Their outstanding strength makes them ideal for all construction, renovation and landscaping demands, with no leak or puncture Issues.Each package comes in 50 individually folded bags. We manufacture the strongest bags on the market. Made from premium resin, our bags can handle heavy and sharp items providing excellent puncture resistance.