NWT Chatties Matching Sock Set for Pet and Owner. Adult socks fit most feet. The adult socks say "Ruff Day I Need A Treat" with a wine glass beside the saying. Pet socks fit most small paws. Crew Socks. 97% Polyester and 3% spandex. Machine wash cold. Tumble dry low. Do not bleach. Do not iron. Do not dry clean.