this dress contains  Long sleeve t-shirt + pant two piece Set <br />this dress material : pure cotton;<br />Please view the detail that about clothes size before the order ;<br />73: long -31cm， bust -26*2cm ，be fit for 0-6 M Kids; <br />80: long -33cm， bust -28*2cm ，be fit for 6-12 MKids; <br />90: long -35cm， bust -29*2cm ，be fit for 12-24 M Kids; <br />100: long -37cm， bust -30*2cm ，be fit for 20-28 M Kids;