Pop Quiz Backpack 25L Stone Four inset Hinomoto wheels that Adjustable Padded shoulder straps Four inset Hinomoto wheels that spin 360 ° and roll silently the Herschel Heritage™ backpack features a genuine leather diamond detail inspired by vintage mountaineering styles and a laptop sleeve for explorations through nature and the city this backpack has multiple pockets — inside and out — to keep everything organized on journeys to school or work ' EcoSystem 600D Fabric made from 100% recycled post consumer water bottles Tonal stripe EcoSystem Liner made from 100% recycled post consumer water bottles Padded floating sleeve fits a 15" 16" laptop Zippered closures carry comfortably with adjustable EVA padded shoulder straps Water bottle pocket expands to fit different sizes side storage sleeve for Quick reach items Keep essentials in place with a front pocket organizer and Key Clip Stash pocket for storing Sunglasses or small essentials Put Yourself Out There Internal label Herschel Supply DNA shoulder tab Internal Herschel Supply stripe DNA tab