Hammered Royal Surai Design Copper Jug. In the present era, the world is trying to fight its way towards a healthier life through technology. But there are some simple rules of nature which can help us in reliving the time when health was not an issue to be concerned about. Something as simple as copper treated water can help in improving your overall health greatly. It is a proven fact that water stored in Steel copper jugs/utensils overnight is known to be purer and absolutely safe for drinking.