Sid Meier's Civilization® VII: Founders Cosmetics Pack includes the following in-game content:

4 profile customizations
Embellish your player profile with these cosmetic customizations, including a striking new badge, a regal new title, an ornate new banner, and an eye-catching new portrait that will all make you stand out from other players!

1 fog of war tile set
Change your gameplay landscape with a beautiful fog of war tile set that changes in each Age!

1 Founders palace skin
Give your civ's palace a regal new look with a glorious remodel that's sure to stand out!

More details on the official game page of Sid Meier's Civilization® VII: Founders Cosmetics Pack ...