The MCC Mascot Head Package contains:
Access to the following Cosmetics:

• Mascot Head (Rare Hat) You can optionally set the hat to display the price you paid in-game! (Price paid is before fees & taxes)

Subsequent purchases of the hat will increase the price-paid display and show as a total.
Cosmetics are virtual wearable items that allow you to customize your in-game appearance. They offer no gameplay advantages and can be accessed through your wardrobe.