Genuine 30721 VacMaster 3 Mil Chamber Vacuum Pouch- 6 Inch by 10 Inch Includes: 1000, 6 inch by 10 inch pouches per box Heavy-duty 3 mil thick, Nylon/Poly material Use with Chamber Vacuum Sealers only! Pouches can be frozen, refrigerated, microwaved, boiled, or cooked sous vide BPA-Free and FDA approved