CoolBELL Convertible Backpack Messenger Bag Shoulder Bag Laptop Case Handbag Business Briefcase Multi-Functional Travel Rucksack Fits 15.6 Inch Laptop for Men/Women (Black)
Dimensions: 18.8 x 5.1 x 13.7 inches; Fits up to 17.3 inches laptop.
Three carrying styles. You could use it as backpack shoulder bag and messenger bag. Also the straps can be hidden when you use it a messenger bag and shoulder bag.
Four outside pockets, convenient to oganize your items you want to carry.