MARK RYDEN Multifunctional Waterproof Laptop Bag Anti-Thief Backpack

Features:
Modern business style, smooth cutting, classical black color, fashion, and resistance to dirty.
Large capacity can pack all your electronic devices and daily necessities.
Expandable function fully makes use of space, one bag's capacity is almost the same as one suitcase.
Oxford fabric material is handiness and waterproof.
180 degrees opening way convenient to take and store belongs.
SBS zippers increase durability and give luxury look.
3D breathable sponge and thickened relief pad are comfortable and lightweight, relieving shoulder and neck pressure.
Mesh elastic load-reducing pad, can effectively reduce vibration and friction
USB charging allows you to charge your mobile phone when you move.
Back have an anti-thief bag, and keep your belongings far away from being lost.