Age US Size Mark Size Length Waist Growth 0-1 years 6-12m XS 22cm=8.66" 19cm*2=14.96" 60-70cm=23.62-27.56" 2-4 years 2-4T S 25cm=9.84" 20cm*2=15.75" 80-100cm=31.50-39.37" 5-7 years 5-7 M 28cm=11.02" 22cm*2=17.32" 110-120cm=43.31-47.24" 8-10years 8-10 L 31cm=12.20" 24cm*2=18.90" 130-140cm=51.18-55.12" Material:80% Nylon 20% polyester，soft and anti-wrinkable Dec:Baby girls pettiskirts，2 layers of tulle and 1 layer of liningThis Skirt Is flexible，Pls enjoy your shopping. Packing:One pc per one opp bag