Bunny baby booties socks with pom pom tail. Machine washable at 30 degrees. 89% COTTON 10% NYLON 1% ELASTANE Baby: 0-12m (shoe size: EURO 15-18, UK 0-2, US 1-3) 12-24m (shoe size: EURO 19-22, UK 3-5, US 4-6)