Standard size of wig

The wig is the same size as the underwear cup.

Now the standard size measurement method is as follows

Usually, the distance from the forehead hairline to the hairline of the back of the head is called the depth of the wig. The size of the circle around the head is the combination of the two heads to know whether the size of the wig is suitable for your own suggestion. One number

Common size measurement unit: cm