Four 6" X 50' Rolls of FoodVacBags Vacuum Sealer Bags Universal: Designed for use with all vacuum packaging machines Strong: Commercial grade poly-nylon blend eliminates freezer burn and dehydration Versatile: Bags can be frozen, refrigerated, microwaved, or boiled Economical: 200 feet of make-your-own size bag material Safe: Made of fda approved materials, bpa and phthalate free