Language Labels DataCal has been manufacturing quality keyboard language labels, also known as Keyboard Stickers, for over twenty years in Gilbert, Arizona. DataCal labels are made with durable Lexan® polycarbonate, 3M®adhesive and are printed sub-surface to provide years of use. Language labels easily convert your keyboard into a bilingual keyboard and include instructions for windows set-up in your new language. Select versions of our Language Labels can be purchased at .