A 13x4 gives you 4 inches of parting space. A 13x6 gives you 6 full inches  meaning deeper parts, more styling freedom, and a flatter, more natural melt.

✔ More scalp illusion ✔ More versatility ✔ More customization

If you want basic, get a 13x4.

If you want full luxury melt… 13x6 is the Snooty choice. 💕