VacMaster 3-Mil Chamber Pouches are the industry leader for vacuum packaging, providing optimum freshness and a positive reliable seal. These puncture resistant pouches shield food from freezer burn and dehydration, keeping food fresh up to 5x longer. BPA-free, our Nylon/Polyethylene pouches are true to dimension and can be frozen, refrigerated, microwaved, boiled, or cooked sous vide! Clarity and high gloss ensure that vacuum packaged items are visible through the bag.