How to provide measurements for a full cap (wig)

For a full cap (wig), please provide us the following measurements:

1. Head Circumference

2. From front hairline center to back of neck hair line center

3. From ear to ear around the forehead (above eyebrows)

4. From ear to ear over the top of the head

5. From temple to temple around the back of the head

6. Width of neck hairline at the back