Plecak Pitch Black 72 Hour Weekender - ·100% polyester (1000D, Twist Weave) ·Durable belts ·Waterproof, abrasion-resistant material ·Innovative strap system - ability to quickly turn the backpack into a shoulder bag ·Breathable padded mesh back panel ·Spacious main compartment with zipper ·Padded laptop pocket, compatible up to 15.6" ·Internal flexible bottle holder ·Zippered side pocket for bottle/umbrella ·TearAway tag ·Capacity: 28 liters ·Dimensions: 31 x 55 x 25 cm ·Max. cylindrical embroidery field: ·18 ·Max. print area: 20 x 20 cm