Baby shark doo doo doo doo now you've got that in your head all day. You're welcome. Get ready to warm up those vocal cords because this Halloween costume is comin' atcha. Cue the scary shark fin music. This miniature marine animal costume will provide a laugh a minute thanks to its carefully placed features. A fin on each arm? Check. A set of murderous sharp teeth in the hood? You got it. How something so tiny could look so menacing is beyond us, but this jumpsuit manages to pull it off. Once the bobbing for apples is over, it also makes for a great sleep suit. We've added a strategically placed zip to help you bundle your little one into the suit without winding up like a pretzel. It's also made of super soft material, perfect for getting them off to sleep. Dim the lights and get the party on.