Stokke JetKids BackPackThe Stokke Crew Backpack is designed to meet all of your little one's travel needs for those short trips to the park or school and for longer journeys to visit family or discover new places. Suitable for children to start using at about two years of age, and can be transformed to use until about age seven with the practical expansion and adjustable belt & straps. The durable water repellent fabric makes it suitable for almost every type of weather.