Impress your customers with a unique crystal clear solution, provide "retail pack" appearance and beautiful finished look for your product. These cellophane(cello) bags are made of biaxial oriented polypropylene (BOPP), it is an all together different resin than polyethylene(ex. poly bags, sandwich bag). Cello bag is non-porous, super-clear, non-stretching and generally stronger and more rigid than poly bags. It is commonly used for packaging foods and displaying merchandise at retail. The bag feels crinkly not soft like sandwich bag.