This backpack features a 17-inch anti-theft laptop compartment for secure storage, along with an expandable and vacuum compression design. It comes with adjustable straps and is suitable for hiking, business, and school use.
The vacuum bag zipper is very tight, requiring both hands to cooperate and force to open. It is all designed in this way, not a quality issue, and it is designed to prevent vacuum bag leakage. Thank youThis product requires manual compression of the bag to extract air, or you can configure a pump to operate it yourself. Thank youProduct Name: Vacuum Compression Backpack
Material: Waterproof Oxford cloth
Size: 49*32*15CM
After expansion: 49*32*20CM
Capacity: can hold a 17-inch laptop
Separate 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
Function:
Breathable back
Comfortable foam shoulder straps
strap
Anti-theft zipper pocket on the back
Waterproof/wear-resistant/moistu