Diy Halloween Costumes For Small Dogs . You can also tag me on instagram @doityourselfdaniell e; Once it is cut out from the paper, glue it down in the center of one side of the of your cardboard. Dog Costume Halloween costume for Small Dogs Pet Costume from www.etsy.com The only real limit is your imagination, so if you’re willing to fight alongside batman this halloween, this is the closest you’re gonna get. See more ideas about dog costumes, diy dog costumes, dog halloween costumes. Turn them into one with this easy diy costume.