The "Backpack Water Hydration Bag" is a lightweight and waterproof nylon backpack designed for cycling, ebiking, and outdoor activities. It features a durable design with one large compartment, a medium secondary pouch, and a small front pocket, along with adjustable shoulder and waist straps for optimum comfort. The backpack also comes equipped with a helmet strap to hold your helmet while not riding, as well as a removable water pouch for easy cleaning.