1. [With USB Charging Port] The vacuum backpack comes with an external USB charging port, allowing you to connect a power bank (not included) inside the bag for on the go charging of your mobile devices.
2. [Large Space] With a large capacity main bag and several pockets, our travel compression backpack enables quick access to your essentials, keeping everything neatly categorized for your convenience.
3. [180° Opening Design] The travel vacuum backpack features a convenient 180° opening, specifically designed to accommodate larger items, making it easier for you to access your belongings.
4. [Wet Dry Separation] This compression backpack includes a wet dry separation feature, allowing you to store damp items such as towels and umbrellas without worrying, keeping your other belongings dry and clean.

Specification:
Item Type: Vacuum Backpack
Material: Rainproof Polyester, 1680D Oxford Cloth
Color: Black
Size (LxHxT): Approx. 32x46x16cm / 12.6x18.11x6.3in (Expandable Thickness: Approx. 24cm / 9.45in)
Accommodation: Mobile phone, umbrella, earphones, wallet, computer, clothing, etc.
Capacity: 22L-55L
Type: Backpack
Power Interface: USB
Pump (with Built in Battery): Lithium Cell 1500MAH
Weight: Approx. 1752.00g / 61.8oz

How to Use:
1. Forcefully open the zipper of the vacuum compression liner
2. Put clothes in and zip up the airtight zipper
3. Open the one way exhaust valve and press to exhaust air
4. After the air is discharged, close the exhaust valve

packing list:
1 x Vacuum Backpack
1 x Pump (Built in Battery)
3 x Accessories
1 x USB Cable
1 x Manual