Life is "ruff" when you're The Dark Knight! Or should we call you "The Bark Knight?" Hmmm. Well, power on, Pooch, and get ready to rumble! You'll need extra Bat-doggie biscuits to battle The Joker! Your costume includes an armor-like screen-printed dog-shirt featuring little faux arms complete with gauntlets and headpiece. 2-Piece Set. Hand wash. Polyester. This is an officially licensed Batman costume.