No vacuum cleaner or pump needed! Simply close the double zipper, roll it up, and the air will escape from the bottom air hole. Convenient garment compression bags, unused. Set of 5 L-size (40x60cm) bags. *We decline all price negotiations via comments and the "request price reduction" button. *Please refrain from asking questions as much as possible. If you are not confident with just the images, title, and product description, please purchase from another seller.