NWT. The ECOSUSI Black Laptop Briefcase Bag Backpack is a versatile and stylish accessory for carrying laptops and other essentials. With its solid black color and universal compatibility, this briefcase is perfect for any professional or student on the go. The included straps allow for easy transportation, making it convenient to switch between a backpack and briefcase style. The sleek design of ECOSUSI ensures both functionality and style in this must-have computer accessory.