Genuine VacMaster 40722 (8 Inch by 10 Inch) and 40728 (12 Inch and 14 Inch) 3-Mil Vacuum Chamber Pouches, 750 Pouches! Includes 1000 Bags; 500- 8" x 10" and 250- 12" x 14" 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