Glitz Grid is a Rare Fortnite Contrail. Glitz Grid was available via the Battle Pass during Season 21 and could be unlocked on Page 5 and costs 4 Battle Stars.
How-to Get the Glitz Grid Contrail
Glitz Grid is part of Season 21. If that season is still currently in the game, you can obtain this item by purchasing and/or leveling up your Battle Pass.