Lencca Quadra Messenger Bag & Backpack for Microsoft Surface Book 13.5 inch Laptops, Blue Lencca Quadra laptop carrying bag, ideal for work, school and everyday use Can be easily transformed from a messenger bag into a backpack or briefcase Dedicated compartments allows you to carry and organize all of your essential accessories Made of ECO friendly leather that is both water repellent and long lasting Designed to fit and protect most 13.3 to 15.6 inch laptops, ultrabook and tablets