Head circumference measurement method:
Please use the standing or sitting position, fix the soft ruler at 0 degrees on the upper edge of the eyebrow arch on one side of the head, and the soft ruler is close to the scalp (moderately tightened) and go around 1CM below the head bulge point and the upper edge of the eyebrow arch on the other side. Back to 0 point, that is the head circumference length.
Note:
There is a 1-3cm error in manual measurement, which belongs to the normal range, and the actual product shall prevail.
The pictures are taken in kind. Due to different display screens, people perceive colors differently, and there may be color differences.