Travel Trolley Vacuum Compression Business Backpacks Pump for Man Wheeled Backpack on Wheels Luggage Rolling Bags for Boardable

This product requires configuring a portable power bank for use, thank you
Product Name: Luggage Bag/Backpack
Weight: Approximately 3.65KG/3.8KG
Size: 32 * 54 * 28CM (expanded to 34CM)
Material: Oxford cloth
There are two versions to choose from
1. Ordinary vacuum bag version
2. Vacuum bag version with pump
Capacity: Can hold a 17 inch notebook computer
function
There is a USB charging port
Vacuum bag function
Smooth silent wheel
There is a customs password lock
Waterproof function
Dry wet separation bag
Independent laptop bag
Using the vacuum compression method:
1. Open the compressed vacuum lined bag
2, put the clothes on the air-tight zipper
3. Open the one-way exhaust valve
4. Press to exhaust the air inside
The vacuum bag zipper is very difficult to pull and requires both hands to assist in opening. Additionally, there is an instruction manual in the backpack, which is not a quality issue, but a design to prevent air leakage. Please be aware, thank you

Normal version No pump

Normal version No pump

With pumpWith pump

This product requires configuring a portable power bank for use, thank you