Milton Water Jugs Kool Caravan 5 Now you can carry cool drinking water with you in the milton kool Caravan water jug and stay hydrated wherever you go. You can use this water jug at home, outdoors and even while travelling. Milton Caravan kool water jug has a capacity for 5 litres, which is sufficient for carrying water for a significant part of the day without refills. This milton water jug is made of 100 percent food virgin plastic, making it non-toxic and safe for you and your family. It has a leak-proof lid and is breakage-resistant, preventing water and other liquids from leaking out.