Bloon Decals

 are a new feature in Bloons TD Battles. allow the player to place special decorations on the bloons that they send. There are many different kinds of, but they all generally cost a lot of Medallions to purchase. The most expensive is the Ninja Kiwi decal, costing 5000 Medallions to purchase, and the cheapest  is the skull decal, costing 200 Medallions.