【BPA FREE 】Bonsenkitchen vacuum food sealer roll bags can be microwaved, frozen, re-used, washed, boiled and dishwasher safe. Allows you to precisely control your cooking temperature to achieve perfect results. You can cook sous vide in Bonsenkitchen bags by placing them in water at any temperature up to 230°F/110°C | 【HEAVY DUTY COMMERCIAL GRADE】BonsenKitchen vacuum sealing bags have deeper air passages than other brands for a better seal, keeping food moisture and forming an airtight barrier, locking in other features and preventing damage and freezer burns | 【CUSTOMISED FOOD VACUUM BAGS】 Bonsenkitchen vacuum sealer roll is compatible with all major brand vacuum sealers, you can make a customized-size vacuum bag in a few seconds. | 【EASY TO CUT & SEAL】One side recess groove design, other side glossy transparent design. 4 mil Heavy-duty bags with embossed air-removal channels for maximum freshness | 【TIME & MONEY SAVING】 Vacuum seal rolls allow you to make your own length according different size of food 5 times longer than zipper bags basically depending on the type of food. Designed with food-grade PA+PE material, Bonsenkitchen vacuum bags are a practical addition to your kitchen.