The Reliance Rhino Pak Water Container is durable, easy-to-use, and ideal for outdoor adventure. It's made of extremely thick plastic for strength, with a premium spigot and vent cap for easy pouring. The unique side panel design allows 2 Rhino Paks to lock together when paired. Whether it's strapped to an ATV, onto a kayak, or just thrown in the backseat, the Reliance Rhino Pak Water Container is perfect for adventuring through the backcountry. NOTE FROM MANUFACTURER: "Prolonged exposure to direct sunlight will cause the water container to degrade and become brittle, increasing the chance of leaks. It is highly recommended to store water containers in cool shaded areas." Premium spigot & vent cap for easy pouring Large built-in handle for smooth handling Side panel design lets 2 Rhino Paks lock together | Rhino Pak Heavy Duty Water Container