And you are finally 40 years old, the age of serious adulthood. Show the world that you are a proud 40 now, with these posh party balloons. Minimalist and stylish black balloons with the text “RIP Thirties” and the illustration of a gravestone. Age is just a number and you can have a cool party regardless of the number, so enjoy your birthday and say goodbye to the dirty thirty. Put together an elegant and unforgettable black party, while the color is serious the party should not be, and enjoy it with your friends and family. Sing together Happy Birthday while you lay your 30s to rest in peace. Funny balloons are the perfect decoration for any birthday party.