[Free data settings] Empty bags are only rolled up in empty storage aisles, but they can also be freely adjusted to the desired size. You don't have to worry about the incorrect size of stored food or other documents, medicine, etc. [Multi-purpose] is developed using high-quality BPA-free materials, which can be used for private and commercial purposes. Fresh food is placed in the refrigerator, boiled and cooked. [Durability] Improved multi-layer structure, the vacuum bag has stronger sealing and toughness, can isolate oxygen and bacteria, so that the cleaned bag can be reused to save more money. Note: The bag is undamaged and can be used. [Nutrition and flavor storage] After the vacuum bag is sealed, oxygen and moisture can be locked in, and more fruits, vegetables, meat, fish and other foods can be safely stored. security Give us fresh and nutritious food. Professional vacuum sealing machine 1. The arranged multi-layer structure is stronger, more flexible and more durable, which is very suitable for low temperature sous vide cooking and high temperature microwave cooking. 2. It is widely used to store fresh fruits, vegetables, meat and other documents, medicines, jewelry and photos. 3. The released air duct should contain as much air as possible to isolate oxygen, moisture, odors and dust. 4. Use the vacuum cleaner to prepare food 6 times. 5. Suitable for home and commercial use to store delicious and nutritious food. 6. Easy to use and can be cut at will. 7. It is suitable for the general design of any vacuum sealing machine.