BRAND NEW AND UNUSED BUT NOT SEALED. Fits A 2.5L Camelback style water bladder but PLEASE NOTE that the water bladder not included. Scott Hydra 2.5 Hydration Backpack is a high-quality, 2.5 litre capacity backpack designed for sports and outdoor activities. Made from durable polyester material, this red backpack features the Hydra model from Scott, a trusted brand in sporting goods. Perfect for cyclists and bikers, this hydration backpack provides a convenient way to stay hydrated while on the go, without the need for a Camelback included. Ideal for keeping you hydrated during long rides or outdoor adventures, the Scott Hydra 2.0 Hydration Backpack is a reliable and stylish accessory for any active lifestyle.