The method of vacuum sealing should be to plug the suction gap with a small attachment you don't realize the operation, you might ask the shopper service dealer, I educate you to use. (Customer carrier is the platform staff, they don't realize our product operation) Product name: Mini vacuum sealing mechanical device Export Certification: FCC CE UKCA ROHS Material: ABS Size: 90*70*51mm Machine weight: 200g Battery: 800mAh Working current: 5A Input power: 7 Charging time: 60 mins Inflating pump maximum: 100KPA Vacuum pump pumping maximum: -60KPA 【Newly Designed Vacuum Sealer】5-in-1 operate design, including vacuum sealing, unmarried sealing, vacuum pumping, inflating and integrated cutter. It can effectively vacuum seal food, seal every kind of snack bags, store meals as a handheld vacuum sealer, in addition inflate balloons and swim rings and built-in cutter for baggage cutting. Mini and transportable vacuum sealer completely meets your desires for food and snack preservation. 【Cordless Rechargeable Battery】Vacuum sealer mechanical device equipped with 800mAh battery, no need to modify the battery. One complete commission can warm temperature seal 200 times. It only takes 3s to complete sealing quickly, little need to preheat. 【Mini Size Portable】Compact and portable design make the food vacuum sealer smooth to store and carry. Whether you are at domestic or on the go, the vacuum sealer can smoothly slot in your bag. It is acceptable for home use and might be easily operated through new users. It is a helpful associate for outdoor picnics, tenting or everyday use. 【Health Save Money】Bag vacuum sealer makes use of its powerful suction and heat sealing expertise to extend the freshness of food, making cooking and meal preparation healthier whereas decreasing food waste, bringing you the dual advantages of fitness and saving money. Moreover, its high-quality operation saves you useful time.