Richie House Girls' Leisure Dress with Elastic Waist Size 6-14Y RH2537 100%viscose A size 6 is for the average 5-6 year old kid,a size 10 is for the average 9-10 year old kid,a size 12 is for the average 11-12 year old kid,ect Very comfortable to touch and wear. Make it more easy and comfortable for your little lady All over patterned with print,waist with elastic,easy to on and off For a day spent outdoors or an afternoon with pals, this dress is great for little sweeties