Designed for busy professionals and adventurers. You have a busy lifestyle. You travel a lot, work hard, and enjoy your personal life. This bag is convertible into three different styles based on your needs: A briefcase for your daily work which fits everything you need: a 13" to 17" laptop, any sized iPad, electronics, books and all your cables, and everything you need for your day of work. It can also convert into a backpack for when you are tired of holding a bag; you can convert it anytime, anywhere. We know you also travel. The bag can easily be attached to your luggage and converted into a carry-on, it meets all the size requirements for any flight in the world, The luggage style compartment can fit enough for a day or two of supplies. We are the first bag maker that introduced this function, and you will be the first to enjoy this bag.