1200D REPREVE® polyester, 150D REPREVE® polyester printed lining, PEVA; REPREVE® is a trusted brand of polyester fibers made out of recycled post-consumer polyethylene (PET) bottles;This spacious, packed-with-pockets backpack keeps you organized so you can focus on what matters most; Roomy main compartment with padded laptop pocket holds most 15" laptops, file pocket, small zippered pocket, two open mesh pockets and a clear ID window - 2.5"w x 4"h; Front insulated pocket fits three cans or on-the-go snacks; Two self-fabric side bottle pockets and top zippered fleece-lined pocket for glasses; Small zippered pocket in back luggage pass through for passport or other valuables; Padded back, padded adjustable shoulder straps and reinforced grab handle; Detachable Swannies-branded keyring str...