[Space-Saving Vacuum Backpack] - An idea to save luggage space, a backpack built in a vacuum bag can satisfy 7 days or more of clothing. After compression, it can add 20L capacity to your backpack, making it easy to carry.

[Expandable & Multiple Pockets] - Normal Size 19.5 x 13 x 6.2 inches, Expandable19.5 x 13 x 10.2 inches. 40L Large capacity backpack & 20L vacuum bag. The backpack has 3 Main Compartment & 11 Pockets,which can meet daily and travel needs. 2×Large Main Compartments & 19 inch laptop compartment.

[Customs Lock & Anti Theft Pocket] - The vacuum backpack is equipped with a customs lock zipper set and an anti-theft pocket on the back. A great idea for travel use to protect your property safety.

[Ergonomic Backpack] - The backpack is made of high-quality nylon material, and the Vacuum bag is made of high-quality TPU material. The back is equipped with a thickened pad and shoulder strap sponge, which can be used comfortably for several hours without feeling tired.

[Dry and Wet Separation Design] - The backpack is water-resistant and equipped with a wet bag. The bag is made of high-density waterproof material to help you separate wet and dry items, if you have wet clothes or towels, you can put them in the wet bag.