3 x 3 High Clarity Polypropylene Bags, also known as high clarity PP bags, provide quality protection and a unique way of displaying products in a more desirable way. High Clarity Polypropylene Bags meet FDA/USDA requirements and have a better oxygen barrier than polyethylene. This oxygen barrier delays evaporation and dehydration to preserve newness and taste of contained foods. 3" x 3" 1.5 mil Resealable Polypropylene Bags are lucid crystal clear and offer great resistance to heat.