Increase the thickening flat mouth type black garbage bag using 100% new PE raw materials, make the product more solid, strong, good tensile strength, toughness, not broken, bearing strong. Because the bottom of the flat bottom garbage bag is uniform, the bottom is stronger and more durable. The case of the same size, a garbage bag capacity than in the other round bottom or folding capacity is much obvious. Suitable for hotels, restaurants, hotels, schools, office buildings and property companies.