Flat Clear bags for use in Commercial Vacuum Machines, Impulse Sealers, Cryovac and Snorkel style units. Certified by FDA for resale applications. These pouches are clear, flat, 3 sided, they are BPA free, 4 mil, thicker than industry standards. They are constructed of 9-layer co-extrusion film and contain a minimum of 18% nylon. Common uses include processed meats, cheeses and items that need to be packaged in a thicker gauge. Other industries uses: Food, Medical, Marijuana, Electronics and Green House Cannabis Growers, Clean Rooms, Electronics and Autoclave sterile purposes. The bags are boil-able, microwaveable, freezer safe and excellent for SousVide Cooking. These pouch bags are medium plus air barrier, co-extruded product widely used for industrial and residential applications.