Lucky Bums Kid's Switchback II Daypack MULTIPURPOSE - perfect for the schoolyard or the campground the Switchback II was designed with little adventurers in mind, seamlessly switch between elementary school and camping with this dynamic 18-Liter backpack. HIGH QUALITY MATERIALS featuring 600D Nylon Honeycomb Ripstop with PU Coating material. Sized to fit kids with torso measurement from 12.5 to 15.5 inch, suitable for kids aged 3-7. GREAT FEATURES such as the internal organizer pocket, padded airflow back panel, moisture wicking shoulder straps, adjustable sternum strap, integrated safety whistle, compression straps, ventilated hip belt, and hydration compatible! DURABLE AND COMFORTABLE made with high quality materials the Switchback II was made to be the ultimate backpack for your little adventurer, tough enough to handle the schoolyard and the hiking trail and comfortable enough to wear on long hikes. TOTAL ASSURANCE - When you receive a Lucky Bums product, if you are not 100% satisfied with your purchase, let us know. We are here for our customers and will respond promptly and professionally in order to fix any problems the product may have, if you received a faulty item, we will replace it immediately. Lucky Bums is a family business created by a love of the outdoors, when you purchase a product by us, you become family too.