INCREASE STORAGE TIME AND NUTRITIONAL VALUE - 5-6 times longer freezer storage time, locking in freshness, flavor and nutritional value - no freezer burn! BETTER VALUE - Premade bags cost less, inch-per-inch, than rolls AND take less time to use!! HEAVY DUTY - 4 mil bags block oxygen and moisture. Embossed air-removal channels increase suction for maximum freshness WORKS WITH ALL BRANDS OF VACUUM SEALER MACHINES - FoodVacBags can be used in any counter top vacuum sealer, like Cabela's, FoodsaverTM, Ziploc STAY SAFE - These vacuum food bags are made of the highest-quality 7-layer material. They are non-toxic, with no BPA, Phthalates, or any harmful or allergenic substances.