Your kids will love the Camelbak Mini M.U.L.E. 1.5 L junior bike hydration backpack on their next ride. This minimalist backpack features a junior-specific design that offers a shorter back panel and an air mesh back panel for a comfortable fit. The front and back reflective details will improve your child's visibility and safety in low light conditions. The hydration system features a 1.5-liter Crux® reservoir, allowing your kids to carry a fair amount of water without adding too much weight and bulk.