CASO Germany Vacuum Sealer Zip Bags, Large, Pack of 20 Can only be used with the CASO SmartVac 20 Strong and tear-resistant Protects food from freezer burn Safe for boiling, re-hearing and sous vide style cooking 10.24 x 13.78 inches - 20 bags per box Can only be used with the CASO SmartVac 20 Strong and tear-resistant Protects food from freezer burn Safe for boiling, re-hearing and sous vide style cooking 10.24 x 13.78 inches-20 bags per box