Quadra - Q-Tech Charge Roll-Top Backpack Material: 650D Polyester. * Padded adjustable shoulder straps. * Ergonomic back panel with discrete zip pocket. * Secure roll-top and clip closure. * Front zip pocket. * Multiple internal pockets. * Internal slip pocket. * External access padded laptop compartment compatible up to 15.6". * Front organiser pocket. * Side zip bottle pocket. * Power bank pocket (power bank not included). * Integrated USB charging port. * Tear out label. * Capacity 22 litres. Product notices * Dimensions are approximate and for guidance only. * Colour representation is only as accurate as the web design process allows. Size conversions Size ONE Dimensions: 45 x 31 x 17 cm Print area: 24 x 23 cm Embroidery: 18 tubular hoop