The flag for Sierra Leone, which may show as the letters SL on some platforms.
The Flag: Sierra Leone emoji is a flag sequence combining ? Regional Indicator Symbol Letter S and ? Regional Indicator Symbol Letter L. These display as a single emoji on supported platforms.
Flag: Sierra Leone was added to Emoji 1.0 in 2015.
U+1F1F8
U+1F1F1
?? Regional indicator symbol letter s
?? Regional indicator symbol letter l