Arabia Moomin mug Our Coast is also known as HSR 2 or Håll Sverige Rent 2. This mug was also part of the Keep Sweden Tidy campaign, like Keep Waters Clean Moomin mug. 

You can see a frustrated or even angry Snorkmaiden trying clean oil from the sea. This design matches the mug’s purpose perfectly, which was to raise awareness of the problems the Baltic Sea is facing.