Personalized Westie Halloween Cat Newborn Layette. Westie Terrier dog in a Halloween cat costume; art by KiniArt, (Contemporary PUP Artist, Kim Niles) 100% combed ringspun cotton 5.8 ounce 1×1 baby rib sleeper. 3/8" flatlock binding at envelope neck and cuffs. Back sleeve flap to protect hands. Elastic opening at bottom. Infant: 0-3 Months