One?s Orange & Madarin flavoured still water is part of the new range of refreshing flavoured waters containing only 1 calorie per 100ml (that?s 5 calories per bottle if you?re counting). Like all of One?s drinks, 100% of the profit is donated to fund water projects in Africa. So far over #10million has been donated through the sale of One, helping to change the lives of 2.5 million people. Not only is the water 100% British but One is also certified carbon neutral. One?s Orange & Madarin flavoured still water is part of the new range of refreshing flavoured waters containing only 1 calorie per 100ml (that?s 5 calories per bottle if you?re counting). Like all of One?s drinks, 100% of the profit is donated to fund water projects in Africa. So far over #10million has been donated through the sale of One, helping to change the lives of 2.5 million people. Not only is the water 100% British but One is also certified carbon neutral.