THE COMMUTE: Our most ambitious and comprehensive laptop messenger for work and travel KEEP IT ORGANIZED: Internal slash pocket provides padded, firm place to store files; Napoleon side-entry pocket for access without undoing the flap; Side stretch pocket for water bottle; Laptop size fits: 13"(S), 15"(M), 17"(L).; Interior padded pocket fits 9.7" tablet CLEVER EXTRAS: Detachable shoulder strap with removable shoulder strap pad; Padded grab handle; Vista loop for attaching blinky bike lights; Luggage pass-through for attaching to your wheelie companion doubles as a slip pocket when not in use; Includes dual bag silencer strips that keep closures quiet; Removable and adjustable cross body strap for stability on the bike; Exterior padded pocket with neoprene gussets to keep your laptop securely in place MATERIALS & FIT: Inside lined with wipeable TPU for keeping the interior clean; Water-resistant bottom boot for unexpected puddles; Converts from shoulder to crossbody to briefcase LIFETIME WARRANTY: Timbuk2 stands behind the legendary quality and craftsmanship of all our products; We also embrace the wild, twisty ways of life; If there is a defect in the materials or workmanship we will repair the bag at our discretion for the lifetime of the product