Genuine VacMaster 40721 (6 Inch by 12 Inch) and 40725 (10 Inch by 13 Inch) 3-Mil Vacuum Chamber Pouches, 750 Pouches! Includes: 750 Bags, 500- 6" x 12" adn 250- 10" x 13" Heavy-duty 3 mil thick, Nylon/Poly material Keeps food fresh up to 5x longer Can be frozen, refrigerated, microwaved, boiled and cooked sous vide BPA-Free and FDA approved; compatible with chamber vacuum sealers