Richie House Girls' Summer Dress with White Dots and Ribbon RH0317 Size 3-12Y 97% Cotton, 3% Spandex Lining: 100% Cotton A size 6 is for the average 5-6 year old girl, a size 8 is for the average 7-8 year old girl, a size 10 is for the average 9-10 year old, etc. Dot Print Design, Waist with satin and bow to decorate, Back with zipper to closure SIZES FOR LITTLE AND BIG KIDS ARE BOTH AVAILABLE, PLEASE CHECK THE OTHER LISTING IN THE OTHER SIZE RANGE