For notebooks up to 39.6 cm (15.6") Made of 17 recycled PET bottles for environmentally conscious professionals Comfortable, adjustable shoulder straps Ergonomic, padded back made of breathable material Removable notebook case with high-density foam (HDF) protection Integrated rain cover Workstations for accessories in front pocket with key chain Space-saving side pockets for an umbrella or water bottle Water-repellent material for comfortable travel in all weathers