... 2.seal size:500/600*10mm Vegetable Vacuum Packing MachineCharacters: The Vegetable vacuum packing machine is made of stainless steel ... ,medicine, but also silver jewelry, antiques etc.By vacuum packing so can prevent products from moisture.oxidation corrosion ... that extending the shelf life. It can finish vacuum-pumping, sealing, cooling one-time. Parameters:ModelVoltageSpeedChamber SizeSeal ...