Genuine VacMaster 40728 3 Mil 12 Inch by 14 Inch Vacuum Chamber Pouches Includes: 250, 12 inch by 14 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