Polyester Pull On closure Machine Wash 24 Jack Russell Terrier Woven on Each Pair of Socks, 65% cotton, 25% polyurethane, 10% polyester. Comfortable, Machine Washable. Made in South Korea. If you are looking for high quality Jack Russell Terrier fun socks then you should not look any further. These novelty socks will last you a long time. They are durable and long lasting. Other socks get holes after the first couple of washes but these will last you a long time. These graphic socks are made from 200 needle count machines which give life-like detail of your favorite pet. *Part of the Proceeds of these animal socks support Animal shelters to find new homes for pets in need.* 100% Satisfaction Guarantee - Your satisfaction is guaranteed. If you are not completely satisfied with your purchase, we will refund your money.