It contains no caffeine, sugar, colorings, or preservatives, and is marketed as "Natural Lemon and Lime Flavour" similar to the "100% natural" American version. It contains a combination of artificial sugars, and for eight years was the only variety on the Norwegian market. The lack of the usual light or zero-label is confusing to Norwegian consumers, who often buy it not knowing they are buying a product with artificial sugars.[citation needed] In the UK, 7 Up Free has been sold in a 600-ml, rather than 500-ml bottle since early 2010.