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 and FDA-approved, VacMaster's 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.