The most popular sizes of these products are Toddler Girl, Baby Girl, 4-5 Years, 3-4 Years, Kids, 5-6 Years, 2 YEARS, Girl, 3 YEARS, 8-9 Years, 6-7 Years, 18/24 Months, 4 Toddler, 3 Toddler, 6/9 Months, 3-6 Months, 9-12 Months, ONE SIZE, 12-18 Months, 6/9M, 9/12M, 3/6M, 12/18M, 7-8 Years alebo 6-9 Mo. All sizes