The black Aevor Rollpack Proof laptop backpack is also suitable as hand luggage. AEVOR is licensed with the "Grüner Knopf" certification mark, which confirms that we take social and environmental responsibility in our supply chains - meeting defined criteria. * volume: 20 L, can be expanded up to 28 L * dimensions 32 x 20 x 55 cm (w/d/h) * outer fabrics made from 100% recycled PET bottles * water column 15,000 mm * roll collar with velcro and with a metal clip * internal reinforced compartment for a 15" laptop, two freely accessible pockets and one mesh compartment * front freely accessible pockets with stretch sides and an internal key hook * compression straps to increase or decrease the volume * on the side two freely accessible pockets (one stretch mesh), the other side with a single-point draw pocket * in the back panel, a zipper for access to the main compartment and a small zipper pocket for small items * breathable, reinforced moisture-wicking back panel * breathable shoulder straps with a loop for attaching glasses (padded with mesh mesh ) * adjustable chest strap * with GOTS certification - The Global Organic Textile Standard (GOTS) is recognized worldwide as the leading standard for the processing of textiles made from organic natural fibers. * without PFC * the bluesign® system is based on minimizing the impact on the environment during the entire production process * the Aevor brand is a leading member of the Fair Wear organization