THIS IS best business backpack for 17 15.6 in laptop. Our backpack focus on quality:
1. High quality water-resistant (waterproof)Nylon, Anti-Wrinkle fabric,Anti-scratch,More durable,and sturdy.
2. Unique design anti-thief zipper wtih patent No: ZL 201320083407.6. This zipper is with dual zipper layers, incomparable smooth when use it.It can keep safe thing from stab of knife,without broken.
3. Bottom unique private pocket with patent: ZL 201430074080.6 you can keep your valuable gift, ring, wallet,passport,tickets inside