Body panel sizes
Baby: Seat width 14-16 inches, 16-19 inches tall (Generally fits early sitters up to those who wear 18 months)
Standard: Seat width 16-18 inches, 17-21 inches tall (Generally fits those who wear 12 months to 2T)
Toddler: Seat width 19-21 inches, 21-24 inches tall (Generally fits those who wear 2T to 4T)
Preschool: Seat width 22-26 inches, 23-26 inches tall (Generally fits those who wear 4T and bigger)
Adjustable: Generally fits those who wear 12 months to 4T
Large Adjustable: Generally fits those who wear 18 months and larger