Genuine VacMaster 40751 3 Mil 8 Inch by 12 Inch Re-Therm Vacuum Chamber Pouches Includes: 1000, 8 inch by 12 inch re-thermalization pouches per box Can stand up to (100 C) 212 F for 30 minutes Heavy-duty 3 mil thick, Nylon/Poly material, BPA-Free and FDA approved Use with Chamber Vacuum Sealers only! Pouches can be frozen, refrigerated, microwaved or used as boilable soup bags