Universal DesignCompatible with All Clamp Style Vacuum Sealer Machineswith Embossed Channels Increase Suction to Vacuum and Secure to Seal Economical and Custom Sized Vac Seal Bags Rolls4 Pack 8x504RollsFood Vacuum Sealer Storage Freezer Bags Rolls total 200 feet Food Safe Material and BPA Free Safe for Storing Raw and Cooked Foods Its Also CookFreezableDishwasherMicrowaveand Boilable Safe Long Term PreservationExtend Food Shelf Life 36 Times LongerKeep FreshnessNutrition and Flavor in Your FoodEliminates Freezer Burn and DehydrationAir and Water Proof Material Prevents Leaking Heavy Duty and Puncture PreventionDesigned with Food Grade PAPE Material35mil Front Panel and 4mil Textured or Embossed Back Panel for Maximum Freshnesswith Bone Guards to Prevent Piercing