Mini Portable Manual Vacuum Sealer Fresh‑keeping Food Snack Sealing Machine Features: 1. Vacuum sealing removes all the air from the bags, then uses heat to create a secure seal. 2. Simply press firmly down with your hands, it is safe and easy to operate and use.  3. This vacuum sealer can make your food stored under vacuum condition to achieve the purposes of freshness keeping and antiseptic. 4. Suitable for all kinds of food, snack, etc, convenient for daily storage and storage. 5. Prevent mold and bacteria from growing, keep nutrients intact. Eliminate burns in the refrigerator, reduce corruption and food waste. Specification:  Item Type: Vacuum Sealer Material: ABS+Electron Plate Size (LxWxH): Approx. 10 x 3.5 x 6cm / 3.9 x 1.4 x 2.4in Weight: Approx. 228g / 8.04oz Package List:  1 x Vacuum Sealer Usage: 1. After the battery is installed, it will not heat up automatically. It will only heat up after pressing down. 2. Install the battery according to the anode and cathode instructions at the bottom of the battery groove. If the battery is installed in the opposite direction, the sealing machine will not heat up. 3. After the battery is installed, continue pressing for about 3-5 seconds and heat will start. 4. Put the sealed bag in the middle. 5. After use, do not need to fold the battery, put the protection cover back to the heating wire.  Note: Do not press violently when sealing, otherwise it will cause deformation of metal contact sheet and no heat. The sealed bag must be kept clean and free of stains such as water and oil.  Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.