Vacuum Backpack Travel Bag for Men Large Capacity Backpack Business Laptop Backpack Women Men Expandable Backpack School Bag

If you need a vacuum pump, then you need to choose to purchase "with Pump"！！！

You can choose not to have a pump if you don't need it

Vacuum bags require high airtightness, and special materials are used at the zipper, making it difficult to pull the zipper for the first time. You can pull it hard.