Unlocks:
Gregory - Reluctant Catboy
Kyomi - Kawaii Kitty
Periit - Crazed Cat
To equip, go to your character inventory and find Gregory, Kyomi, and Periit. Click on them and scroll through their outfits until you find the Feline Pack outfits!
Charts
Roblox disabled public gamepass sales visibility in late July 2020. Sales data collected up to then is still available here for reference.