- Ripstop nylon and 600D polyester. Detachable accessory transit backpack with fleece lined laptop sleeve. Meets airline carry on size, fits in overhead compartment. large clamshell opening. Telescopic mono-polo handle. Side mesh drink bottle pocket. Reinforced main base compartment. In-line skate style wheels. Velcro garment strap. Mesh backed quick grab handle. Heavy duty reinforcements with metal zip pullers. Rubber feet for added protection. Capacity: 55 Litres. Dimensions : 31cm W x 49cm H x 32cm D (includes front backpack). Print area: front 12cm W x 8cm H.