This 3 Pack of Weston Vacuum Sealer Rolls is manufactured by one of the most trusted names in commercial grade packaging products in the world. Found to be compatible with most leading brand vacuum sealers available today, these heavy duty bags are designed to have air-removal channels to preserve even perishable items’ freshness for a long time. These 22″ x 8″ vacuum bag rolls are two ply and 3.0 millimeters thick to ensure that they do not puncture easily. Its BPA-free feature also ensures that food items packaged remain safe for consumption. Materials used are FDA-listed and certified as food-safe. You can actually simmer or microwave food right in the bag; just make a small puncture in it right before warming cooked food or defrosting in the microwave. Suitable for use with both food and non-food items, these bags can be used to preserve collectibles, valuable documents, different kinds of silver and even electronic items.