Rana Overseas Leading Manufacturer, Supplier and Exporter of Copper Bottles. Our water bottles made with Pure Copper and only copper. No other metals, no alloys, lining, plastic lids or mystery materials, even in the bottle caps. Just good old-fashioned copper polished to a beautiful shine. Each and every bottle is formed from a single sheet of copper which is shaped into an elegant vessel with no seams. Pure Copper bottles are naturally clean and self-sterilizing. They keep your water tasting good – seriously good. And they deposit trace copper into your drinking water – copper that your body can actually use.