The Philis Backpack is an expandable style constructed from water-repellent, recycled polyester canvas. It features an unlined main compartment with a zip and flap closure, a padded inside pocket, and adjustable shoulder straps.One size: 50 x 33 x 13 cm / 19.7 x 13 x 5.1 inch21.5 liters100% recycled polyesterWater-repellentUnlinedInternal padded laptop pocket, max 15""Adjustable shoulder strapsSquare Label