model：PS-685（laptop:17.3inch）

With electric pump

size: 35*20+8(expandable）*48cm             

material：polyester

color：black 

N.W：bacpack：2.12KG      backpack+vacuum storage bag：2.4KG

 Trolley & Vacuum Edition：3.43KGcarton：61*37*51cm  5 pcs

1. One bag equals a whole suitcase!

2. Black tech vacuum compression + trolley design.

3. Storage volume cut directly in half.

4. No more worries about overweight luggage on business trips and travels!

5. Dry and wet separation function with an air pump.

6. Can be used with a trolley or worn as a backpack for easy travel.