We offer a large selection of High Density Flat Poly Bag. You can search many types of 14" through 20" wide High Density Flat Poly Bags and 4" through 5" wide High Density Flat Poly Bags. High Density Flat Poly Bag is made from virgin high-density film. These durable bags cost up to 55% less and are 50-75% thinner than comparable low-density competitor bags.