Richie House Girls' Princess Party Dress RH2514 100%polyester Lining:100%cotton A size 4 is for the average 3-4 year old kid, a size 5 is for the average 4-5 year old kid, a size 6 is for the average 5-6 year old kid,etc Lace fabric,mesh covered bottom,waist with a flower accent to add some girly to this darling dress,back close with zipper For a day spent outdoors or an afternoon with pals, this dress is great for little sweeties.Little ladies will be the belle of the ball donning this darling dress.