Midlee Clown Dog Costume Hat Wig & Tail. Best for medium-sized dogs. Rainbow and polka dot clown dog Halloween costume. Are you doing a family circus costume this year? Or just want your dog to dress up as a goofy clown? This is the costume for you! Includes a rainbow-colored curly wig featuring an elastic band as its chin strap. A polka dot hat includes an adjustable chin strap for ease of fit. There is also a bow tie that is secured via an elastic band that will fit around your pet's neck. Your dog will become the goofy clown we all know they are!