This vacuum sealing machine is easy to use—press the switch to automatically remove air from the bag and press again to stop. The vacuum degree can reach -40Kpa, with strong suction for tighter packaging. It is equipped with a rechargeable USB cable for convenient charging. Ideal for preserving various foods such as meat, fish, grains, fruits, and vegetables. Suitable for kitchen food storage and compressing clothing bags for everyday use. The vacuum bags are made of high-quality PA and PE materials, BPA-free, eco-friendly, and easy to clean. Bags are reusable and suitable for sous vide cooking. The sealing date can be written on the pouch. Designed to be convenient and portable, the sealer is lightweight and perfect for home kitchens or outdoor activities like picnics, barbecues, and camping. Note: When filling the vacuum bag, do not exceed the dotted line near the valve. After use, firmly press the valve connector by hand to prevent air leakage.