Newborn : 13 inches
3/6 : 15 inches
6/12 : 16 inches
Toddler : 18 inches
Adult : 20 inches
Measurements do not include the amount of stretch the turbans have. Depending on the type of material they can stretch up to 2-3 inches more than the actual measurements.
If you’re unsure about what size to get, size up just in case.