When you release balloons into the air they dont disappear they can travel to the beach and land in the ocean.
shiny Mylar balloons last for years
Balloons return to the land and sea where they can be mistaken for food and eaten by animals. Sea turtles, dolphins, whales, fish and birds have been reported with balloons in their stomachs and ribbons and strings can lead to entanglement, causing death.
shiny Mylar balloons last for years
The Effect of Balloons On the Environment New York Times Article 1990!