sizing info

small baby (0-8 months)
medium baby (9-16 months)
large baby (17-24 months)
small (2-4 yrs)
medium (4-7 yrs)
large (7-10 yrs)
x-large (10-14 yrs)

Most children fit into the size range that matches their age.
eg. If your child is the same size as most children his/her age,
choose the size that matches that age.
But - if your 3 yr old is the size of the average 5 yr old - choose medium.
If your 11 yr old is the size of an average 8 yr old - choose large etc.

Size categories shown are useful guides, but only approximate.
Some costumes do not fit exactly into categories.