Popsugar Parenting Pet Shopping Harry Potter Costumes For Dogs and Cats 15 Harry Paw-ter Costumes For Your Magical Furry Friends 20 September 2018 by Alessia Santoro View On One Page Photo 9 of 15 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 Slytherin Dog Scarf A Slytherin pupper needs this Slytherin Dog Scarf ($18). Slytherin Dog Scarf $18 from etsy.com Buy Now Previous Next Start Slideshow Pet ShoppingHalloween Costumes 2018ShoppableCatsDogsHarry PotterHalloween