zipper sliders can be locked with a padlock (not included) special YKK zippers the most durable in their class side compression straps Upper and side handles for comfortable handling and carrying in the hand Waterproof material integrated tag of Okoban Global Luggage TrackerModel: Classic Colour: Purple Fastening: zipper Storage: main pocket, inside pocket, outside pocket, side pocket, laptop pocket Laptop pocket: 15.6" diagonal Specification: padded straps, waist straps Material: Polyester Volume: 28 l Dimensions: 39 x 29.5 x 20 cm Washing and maintenance: wipe with a damp cloth