his is perhaps the most elegant and durable backpack you’ll have for business, travel, school and outdoor activities. This high-quality and cost-effective bag has several features：

3 front compartments, 2 main roomy compartments and 4 inner pockets offer a separate space for your laptop, iPhone, iPad, passport, pen, keys, wallet, watch, power bank, book, clothes, umbrella and more. Easy to find what you want.

External dimension:12.5″ x 5.8″ x 17″ (LxWxH) suits for laptop up to 15.6.This lightweight backpack can convert to backpack and briefcase (back straps can be hidden).

The adjustable and padded straps relieve the stress of shoulders

Nylon fabric and polyster fabric which are water resistant material can defense unexpected rain.