During Season 2 the Royale X glider was obtainable as a premium tier 42 Battle Pass reward. On purchasing the Battle Pass and leveling it up to 42 you would receive the Royale X as a reward. It is currently not available for purchase.
Royale X high-quality PNG images with transparent background to use them as you wish (YouTube thumbnails, skin concept and so on).
Used in-game to Shop and Locker, credit to Epic Games.