The Coleman Hydration Water Backpack 2L Bladder in Blue is a small nylon backpack designed for hiking adventures during the summer season. With a zip closure and a 2L bladder capacity, this unisex hydration backpack by Coleman is perfect for staying hydrated while out on the trails. The nylon material and straps provide durability and comfort, making it a practical choice for outdoor enthusiasts looking to stay hydrated on their hikes.