To get Free Stuff from Purina Cat Chow sign up for the “My Perks Rewards” and you start with 10,000 points. You can earn more points under activities tab (you can easily earn another 3,690 points). Click the “Rewards” Tab at the top of the page and redeem your rewards! It may take a couple of months to earn enough points. To redeem the codes go to “Activities” and then click where it says proof of purchase and then click that and scroll down the page and enter in your codes.