X-Small fits an 8″ back length. Now dogs can join the family in Halloween fun with these scary Zack & Zoey Werewolf Costumes with removable cape and plush werewolf head! Werewolf costumeswith fake stuffed arms, plaid shirt, and pantsfit over dog’s fore chest to give the optical illusion of a dog standing on its hind legs! Removable cape detaches with Velcro and can be worn with or without the costume Plush werewolf hat with an elastic strap to complete the look Velcro neck strap and comfortable elastic band in hem of pants provide a secure and comfy fit. 100% polyester costume can be machine washed in cold water on a gentle cycle then line dried.