Product name: vacuum compression backpack
Material: waterproof oxford fabric
Size: 46*30*16cm
Expanded size: 46*30*27cm
Capacity is about 40l
Capacity: can hold a 16-inch laptop
USB charging
Separate laptop sleeve
Vacuum compression method:
1. open the vacuum compressed lined bag
2, put clothes on the airtight zipper
3. open the one-way exhaust valve
4. press to evacuate the air inside
Function: breathable back
Comfortable foam shoulder straps
Hide the shoulder straps
Waterproof/wear-resistant/moisture-proof
Wet and dry separation zone
Waterproof vacuum compression