Casual Canine Acrylic Twinkling Star Dog Sweater, X-Large, 20-Inch Twinkling star dog sweater is soft and comfortable red acrylic sweaters with a christmas tree applique on the back Christmas tree sweaters will transform any dog into a four-legged holiday attraction Made of soft and comfortable acrylic, each red turtleneck sweater features a christmas tree appliqu with sequined ornaments, bones and a brightly blinking star Star activates easily with a twist, and included battery provides 72 hours of blinking Measures 20-inch length; available in x-large size