Hair length is the distance measured from the root to the tip of the hair. Different lengths of hair have different prices. If your order's hair length exceeds 6 inches, the cost will be higher.
Below is a length grading sketch for your reference for you to judge the hair length you actually want.
In addition, the visual effect of hair length is also related to the curvature, the same hair length, the curlier the hair looks shorter, as follows.