Step up your next outdoor adventure with the Firefly! Outdoor Gear Youth Hydration Reservoir. This hydration reservoir is compatible with the Firefly! Outdoor Gear Youth Backpack makes this the perfect addition for your child’s next adventure. The strap-in loop allows the hydration reservoir to safely secure to the backpack. With a one-liter capacity, this hydration reservoir allows your child to camp, hike, or play without having to stop for a water break. The hydration reservoir features a leak-proof on/off valve. It also includes a durable drink tube with a self-sealing, removable bite valve. The easy-to-use leak-proof cap is perfect for kids. This hydration reservoir is a must-have for any outdoor adventure. Step up your next outdoor adventure with the Firefly! Outdoor Gear Youth Hydration Reservoir. Check out all that Firefly! Outdoor Gear has to offer and collect the whole set.