The 13×4 wig is a lace frontal that covers the entire head from ear to ear. The 4×4 is a lace closure that covers an area in front of your head, either in the centre or on the side. Both wigs are excellent choices for a variety of applications, but what distinguishes them?
Source: https://www.recoolhair.com/which-is-better-4x4-closure-wig-or-13x4-wig.html
