The Hydration System Dog Pack is the ideal watering pack - your pet carries its own water supply on hikes and long walks. Also includes a storage pocket for gear and essentials. With a wide screw top opening, it's easy to fill, close and clean. Designed for maximum comfort and convenience on hikes or long walks. Custom designed valves provide water for pets and people. Features a three point harness with padded buckle covers and is made with a tough 600 denier nylon fabric that is soft, yet sturdy and durable. Holds 56 oz. (1.75 l) of water.

Medium: for dogs up to 50 lbs. (23 kg) with a girth of up to 32" (81 cm).