Terms from the bank website:
From January 1 through January 31, you'll earn 5% cash back on all in store and online non-PIN purchases at:
Sports and Athletic Clubs (MCC Code 7941)
Art Supply, Craft, and Fabric Stores (MCC Codes 5970 and 5949)
You can earn the 5% cash back bonus rate on up to $5,000 of qualified spending per year per household, for $250 in bonus earnings (starting on the day your account was opened). The total amount of cash back you can earn remains unlimited. Unless specific stores are named, qualifying purchases are determined by MCC codes.