Corkcicle Commuter Custom Backpack, Black Color:Black Elastic pen loop Top Center Elastic pen loop Dyed to match jersey lined pockets holds devices up to 15" Interior bottle pocket perfectly fits one 20 Oz (or smaller) CORKCICLE Canteen Trolley tunnel on back to easily attach to your luggage for hands free carry Carry as a tote using the top padded grab handles or as a backpack using the padded backpack straps Top padded grab handles contain a magnet mate feature to help them stay together Every CORKCICLE® purchase helps bring clean water to people in need through CORKCICLE’s partnership with charity: water The CORKCICLE Commuter collection features soft vegan leather and nylon accents