Automatic Vacuum Storage Container "Cielob" Canister Electric Vacuum Pump 4-Piece Set By attaching the included electric vacuum pump and pressing the button, a vacuum is created in seconds, allowing you to keep food fresh for longer. Set Contents: Vacuum pump x 1 Low size x 2 High size x 1 USB cable Spare packing Instruction manual *The Low size has been used once, but the High size is unused. *The original box is not included. Please refrain from purchasing if you are overly concerned about condition.