around 47*33*17cm / 18.5*13*6.7in, this bag has enough space to hold 4 tops, 2 pairs of pants and a jacket or 38 books and a 15.6 inch laptop, which is perfect for school, traveling, business trip, hiking and more. 
[MULTI COMPARTMENTS] This multifunctional backpack is designed with three large compartments for properly classifying and storing essentials and valuables. Additionally, there are two front zippered pockets that provides quick access to small items and two side mesh pockets for storing water bottle or umbrella.
[USB PORT & HEADSET PORT] This laptop backpack with built in charging cable inside and an external USB charging port provides you a more convenient way to charge your electronic device via connecting your own power bank on the go. Besides, the headphone interface frees your hands when enjoying audios, music, etc.
[WATERPROOF & WEAR-RESISTANT] This travel backpack adopts waterproof and wear-resistant oxford fabric outside together with anti-rust zipper to protect your belongings against rain or water splashes.
[COMFORTABLE PADDING] S-shaped wide shoulder with high-density sponge as well as soft padded and breathable mesh back effectively disperse pressure of your shoulders and back, giving you maximum comfort and heat elimination. And the adjustable shoulder straps can fit your body sizes and help to keep the backpack steady.

Specification
-Item Name: Backpack
-Material: Oxford / polyester (lining)
-Color: Light Grey
-Size: 47*33*17cm / 18.5*13*6.7in
-G.W.: 700g / 1.5lb
-Pattern Type: Solid
-Style: Casual

Package List:
1 * Backpack

Notes:
1. Size information is just for reference only, please allow 1-2cm (0.4-0.8") differences due to manual measurement, thanks.
2. Item color displayed in photos may be showing slightly different on your monitor since monitors are not calibrated the same.