ABOUT Perfectly little socks for the summer months! Size S - best fits 6 months-1 year Size M - best fits 1 year-3 years Size L - best fits 3 years-5 years Each of our products are sent in a reusable, ecological cotton bag ❤ CARE: You should wash your ribbed cotton clothing in gentle machine wash or hand wash with cold water to retain the size, shape and colors. Also by using cold water you are saving energy and money. We like to be kind to our planet.