You're viewing our VacMaster 3 mil rethermalization pouches 6" x 8.5" 1000 count. VacMaster vacuum chamber bags are designed for commercial use in food service settings. The rethermalization pouches are designed specially for longer boiling times and are used by chefs and restaurants. The rethermalization/boilable bags have heavy-duty side seams that hold up to long boiling times. The boilable bags are made of durable Nylon/Poly/Eva and have a high puncture resistance. The VacMaster pouches provide optimum freshness and a reliable seal. The bags can be microwaved, frozen, boiled, and refrigerated. The rethermalization bags only work with chamber-style vacuum sealers, they do not work with FoodSaver or Seal a Meal machines. We have answers to any questions you may have about our products.