Size Chart: Age 70(0-3 Months) Top length:14.2 inch Bust:8.7 inch Age 80(3-6 Months) Top length:15 inch Bust:9.1 inch Age 90(6-12 Months) Top length:15.7 inch Bust:9.4 inch Age 100(12-18 Months) Top length:16.5 inch Bust:9.8 inch Product Features The material of cotton provides the most comfortable enjoyment for your baby. GOT MY MIND ON MY MOMMY...