Specifications:
Material: Oxford cloth
Style: leisure, business and fashion.
Color: black
Opening mode: zipper
Size: 12.5x7.8x18.1 in (LxW xH)
Internal structure: suitable for 15.6 "laptop bag, mobile phone bag, document bag and certificate bag.

Features:
high-capacity
Size: 12.5x7.8x18.1 inches (length x width x height), suitable for storing your 15.6 "laptop, and can also accommodate a large number of travel items, about 5-7 days. And they have multiple separate inner pockets, which can keep all your things clean and orderly.

Waterproof & Wear-resistant & Breathable
This backpack is made of high-density Oxford fabric. After coating, it is wear-resistant and waterproof. The breathable mesh on your back keeps your back dry continuously, effectively reducing back sweating.

Safety design of reflective strip
Reflective strips on the front and back keep you safe at night.

USB charging interface and cable
Portable USB charging surface design supports fast and convenient charging of your electronic equipment, based on your power bank. Attached USB cable. It can easily keep your mobile phone fully charged anywhere!

Wide application
It is very suitable for business trips, weekend trips, schools, shopping and other outdoor activities in daily life.

Packaging includes:
1 USB rechargeable backpack (excluding lock)
1 x USB cable