model：ps-670

stock: no logo（laptop :17inch）size: 33x17+8(expandable）x47cm     expandable wide size: 23cm  

compartmen size :31*42CMmaterial ：coated pu film +nylon

color ：black grey 

N.W：1.45KGcarton size ：61*37*51cm  8pcs/carton

1. Stylish and minimalist business backpack

2.Large-capacity laptop backpack

3.Built-in shockproof padding

4.Multi-layer large storage space

5.Two side pockets for convenient daily use

6.Built-in wet and dry separation pocket

7.Luggage trolley strap + chest buckle on 8.shoulder strap

9.Built-in pen slot

10.Lightweight and versatile