2-PC Children One piece Sana Claus Romper with Hat Materials: Cotton blends with fleece. Hand wash with cold water. **The actual size of this outfit tend to be larger. Please refer to the actual measurement when order. 6-12 Months: Hat Approx. 16" Chest" 24" Length 24.5" 12-18 Months: Hat Approx. 17" Chest" 25" Length 25.5" 18-24 Months: Hat Approx. 17" Chest" 26" Length 27"