SIZE - This backpack for kids measures 11.8" x 16.5" x 5.9" (30 x 42 x 15CM). Roomy interior with separate areas to help you stay organized. A Ninja-inspired look that stands out with its mysteriously cool styling. ADJUSTABLE ? Use the adjustable straps on this children?s backpack to achieve a close-to-the-body fit. Extra padding at the top of the shoulder area reduces fatigue and adds comfort. STAY ORGANIZED ? Comes with 1 main compartment, an inner pocket with Velcro closure for your device, plus a zippered compartment above the eyes. Two outer side pockets hold water bottles or other drinks. MACHINE WASHABLE - Durable polyester exterior can be washed on gentle cycle (max 30ÂșC / 86F) for easy care. Make sure to zip closed prior to washing and air dry. LIFETIME WARRANTY ? Upgrade to our lifetime warranty by registering your Ninja Backpack on our website. It?s fast, easy and free.