Polyethylene (PE) is the material used over half of all films today, and low-density polyethylene (LDPE) is the source of most poly bags. All of our plastic bags are manufactured to meet rigorous ISO 9001:2000 quality standards and offer consistent thickness, seals and durability. Boxes and Bags Unlimited is one of New England's premier suppliers of printed, clear, and tinted poly recycling bags. It