It’s National Cookie Day, and Insomnia Cookies is offering a sweet deal to its reward members to celebrate. In honor of the chain’s “favorite day of the year,” rewards members can get one free classic cookie in-store,

The Insomnia holiday treats - Red Velvet Cookies 'N Cream and Strawberry Cheesecake Filled Classic will be available through December 15, till the stock lasts. You can purchase them online or at any of Insomnia’s 300 locations spread across the U.S.