Corkcicle Commuter Custom Backpack, Black Color:Black TempShield® double wall vacuum insulation keeps Laptop Bags TempShield® double wall vacuum insulation keeps drinks cold up to 24 hours With incredible softness and casual ease 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 a stylish new series for the young professional Gusseted main compartment helps bag stay upright and open so you can work out of it with ease Large zippered front pocket to store smaller items Padded zippered laptop pocket with a separate tablet section