In this Adult Killer Whale Costume you’ll look ready to dive through the icy north Atlantic! This Halloween, transform into the giant, but friendly whale, the orca whale. This costume includes a one-piece whale cloth jumpsuit so it’s super easy to put on and off. Throw on this killer whale costume and you’ll be a hit at your next Halloween party. Availability: This Adult Killer Whale Costume ships in approximately 1 business day.