The Tucano Binario Gravity Backpack for 15.6" Laptops and 16" MacBook Pro in anthracite is made of a two-tone material produced from recycled plastic. This business backpack is equipped with AGS technology, an elastic shoulder-strap suspension system designed to reduce the load on your shoulders and back. The Binario Gravity backpack also features optimally organized pockets, including two internal pockets designed for laptops and tablets, and two parallel pockets with vertical zippers located on the front panel. The back features a security pocket and a trolley strap.