Skulls skins are easily recognized for their unique skin paint job that features a skull pattern across the entire weapon. Currently, the only member of the Skulls Skins is MP7 | Skulls which was added to the game in 2013 as a part of the Arms Deal Update. MP7 Skulls is also a part of The Arms Deal Collection and can be obtained by opening the CS2 Weapon Case. It comes in only two exteriors, Field-Tested and Minimal Wear and both of them can have the StatTrak technology attached to them.
Check out other CS2 skins families: