The flower measures about 3 inches
The headband measures about 3.5 inches in the widest point x 19.25 inches (adult) and 3 inches x 16.5 inches (little girl 2-6 years ), customizable to older girls.
This listing included the crocheted headwarmer and flower patterns
This headwarmer is adorable! It is cute on girls of any age. The headband is slightly wider in the center and can fit a number of size heads because of the button closure.
This pattern/tutorial contains the pattern for the headband that fits little girls to adults. You can customize fit by making it shorter or longer.

The pattern is written in STANDARD AMERICAN TERMS
Pattern includes 8 pages of directions with color pictures.