Sample Size Mylar Bags (4 Pack)

These sample sized mylar bags are perfect for storing small amounts of dehydrated or freeze dried foods! They measure 3.125" x 5" x 2". One side of the bag is our signature gold foil while the other is a clear plastic "window" to keep an eye on your precious cargo. What are mylar bags? In the food processing area, these bags are known as oxygen barrier bags. Many people refer to them as Mylar® Foil bags because the outer layer of the bag is Mylar® Foil, which is a brand name for the Dupont Corporation's polyester film. Our Mylar® Foil bags are 5-layer structures of Mylar® Foil/polyethylene /00035 aluminum foil/adhesive/linear low-density OXYGEN BARRIER BAGS (Mylar® FOIL BAGS) will greatly increase the shelf stability of your food products. Polyethylene pails are not a true oxygen barrier by themselves. The oxygen transmission rate is critical. (OTR) for example, our bags have a transmission rate of 0.001 cc's of oxygen per square meter per 24 hours. A clear mylar®/poly bag is 0.5 cc's/