Phantom skins are easily recognizable for their design featuring a blue and gray base that has been decorated with orange accents. The only member of the Phantom Skins family is currently SG 553 | Phantom which was introduced to the game in 2017 during the China, are you ready Update. The skin is also a part of The Spectrum 2 Collection and as such can be obtained by opening the [Spectrum 2 Case]https://dmarket.com/csgo-skins/product-card/spectrum-2-case. The SG 553 Phantom is available in all five exteriors and can have StatTrak attached to it.
Check out other CS:GO skins families: