2 rolls of 8 inch 50 foot rolls with embossed channels and single sided relief embellishments to increase suction and prevent bone piercing The high toughness material provides an air isolation environment and keeps food fresh for a longer time vaccine sealed storage bagsLong term preservation Extend the shelf life of food by 36 times maintain its freshness nutrition and flavor eliminate dehydration prevent air and water leakage and lock in freshness taste and nutrition sous vide bags rollsCustomize the length to fit any food you store You can choose to cut the reel to any length you need which means there are no more wasted materials or unstable incomplete fit situations Suitable for all suction vacuum heat sealing machines easy to operate and convenient to use Food grade safety BPA free materials are the perfect choice for food storage It can safely store raw and cooked food and can also be used in freezers refrigerators microwaves and boiling We provide you with a 2year warranty 247 service We are committed to providing you with timely friendly and thoughtful service