The most common sizes in which these products are manufactured include 5-6 Years, 18/24 Months, 4-5 Years, 3 YEARS, 3-6 Months, 3-4 Years, 6/9 Months, 8-9 Years, 6-7 Years, 7-8 Years, 9-10 Years, 11-12 Years, 9-12 Months, 12-18 Months, 2 YEARS, 18-24 Mo, 10-11 Years, 3-6 Mo, 6-9 Mo, 9-12 Mo, 12-18 Mo a 0-3 Months. All sizes