This Black Square briefcase is made with a full-grain Tuscan hide tanned using plant tannins. Its uneven look is the result of an original handcrafted washing process which preserves all the warmth and allure of genuine leather. This piece include the CONNEQU technology, which will help you controlling all your accessories which are equipped with a small device connected to the Smartphone via app that work as an alarm to and warns you when you forget a briefcase on the train or let you perform a quick check of everything inside your backpack every morning. Furthermore the app includes a map that shows where the object was located the last time. 15 inches neoprene computer compartment.