The Hydration Bladder is a 2L water bladder in military green, perfect for outdoor activities such as hiking and camping. With an adjustable strap, this hydration bladder is designed for convenience and comfort. It has a tank volume of 2 liters, making it ideal for staying hydrated on the go. The compact size and lightweight design make it easy to transport, while the adjustable strap ensures a secure fit. With a customer review rating of 4.5 out of 5 stars, this hydration bladder is a reliable and practical choice for outdoor adventures.