Fiesta Dog Dress. Dress to impress for any fiesta! This adorable dress is handmade of polyester and features adorable ribbon detail all around the dress. Elastic at neck and chest makes it easy to take on/off and fit your dog comfortably. Our model Izzy a 7.5 lb. Yorkie is wearing a size S.Sizing:XS: Neck: 6-8 in. | Chest: 11-12 in. | Length: 8.5 in.S: Neck: 8 in. | Chest: 13-14 in. | Length: 11 in.M: Neck: 8-11 in. | Chest: 14-16 in. | Length: 13.5 in.L: Neck: 12-13 in. | Chest: 16-18 in. | Length: 15.5 in.