The Crew BackPack is designed to grow with you child, offering an extra 2 L (122 cu. in.) of expandable storage via a hidden zipper. Fit for everyday use or travel around the world. From preschool or kindergarten to another continent, Crew BackPack can be used alone or compliment your BedBox travels. It also features a pull-out seat pad, convenient for day trips to the park or hiking trips in nature. Crew BackPack attaches directly to your BedBox or fits inside to suit all airline carry-on policies. Key Features: Water repellent fabric with hidden expansion zipper for extra storage; Soft but durable padded shoulder straps; Height adjustable chest clip; Can be attached to BedBox or stored inside; Pull-out seat pad and storage bag included; Details: Suggested age range: 2-7 years; Constructed with durable water repellent fabric for children to use it in all weather and environments; Pull-out seat pad included. Insulates, protects and adds comfort when sitting on hard or uncomfortable surfaces; Reflective embroidering accents help keep children safe and seen while outside; Aviation inspired details, including mini aluminium seat buckle for opening and closing the lid, a JetKids Crew bag tag, and a set of detachable captain stripes; Like all designer bags, Crew BackPack comes with a handy storage bag that can be used as a gym bag or hold dirty shoes or clothes when out and about; Specifications: Dimensions: 22 x 12 x 26 cm (9 x 5 x 10 in); Weight: 380g (0.8 lbs); Volume: 6L (366 cu in); Expanded Volume: 8L (488 cu in); Materials: 100% polyester; What's Included: Crew BackPack; Pull-out seat pad; Detachable captain stripes;.