The Christmas Elf Dog sweater is handknit made by artisan weavers from the northern highlands of South America. All of the expert knitters are paid a fair living wage following fair trade guidelines. This dog sweater is 100% wool and made in 8 sizes to fit every dog! Chilly Dog sweaters fit barrel chested dog because of the natural give of the hearty wool and alpaca fibers. It is machine washable and lay flat to dry. Chilly Dog make the warmest sweaters on the market today!