Make it a breeze for your little adventurer to stay hydrated on the go this water-repellent backpack featuring a low-profile design that houses a water reservoir. This style is designed for biking, hiking and other outdoor excursions. 12.8" X 8.7" X 5.9"4 Sized for kids from 4 years–12 years Top carry handle; adjustable backpack straps Two-way top-zip closure Exterior zip and slip pockets; water reservoir pocket; blinker light attachment loop; adjustable sternum strap with safety whistle; reservoir hose clip Interior zip pocket; mesh organization pockets; name tag Includes 1.5L water reservoir Reflective logo enhances visibility in low light or at night Durable water-repellent (DWR) finish Recycled polyester Imported