Genuine VacMaster 30610 (6 Inch by 10 Inch) and 30754 (8 Inch by 12 Inch) 4-Mil Chamber Vacuum Pouches, 2000 Pouches! Includes: 2000 Bags; 1000- 6" x 10" and 1000- 8" x 12" Heavy-duty 4 mil thick material, Nylon/Poly construction for high puncture and abrasion resistance 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