Ballistic is a Back Bling you can have in Fortnite Battle Royale.
Part of the Cobra Crew Set
This is Shade's back bling.
How to get
This back bling comes bundled with the Shade Outfit from the Item Shop.
The Shade Outfit is an Epic outfit that costs 1,500 V-bucks to buy.
When you purchase Shade from the Item Shop, the Ballistic Back Bling also becomes available in your locker to use with this or any other outfit.