VacMaster 3-Mil Black and Clear Heavy Duty Pre-Cut Chamber Vacuum Sealer bags are perfect for packaging dry foods, snacks, proteins, liquids, and non-food items. These 3-Mil black and clear vacuum pouches will consistently deliver a positive reliable seal and optimum freshness. The Nylon/Polyethylene puncture resistant black vacuum pouches shield food from freezer burn and dehydration, keeping food fresh up to 5x longer. VacMaster black and clear chamber pouches are true to dimension and can be frozen, refrigerated, microwaved, boiled, or cooked sous vide. The clear high gloss front ensures that vacuum packaged items are visible through the bag, while the black back makes the product stand out when displayed on a shelf or butcher's case.