Request a free sample of Purina Cat Chow Healthy Weight from Walmart. Click on the pink “Get a Free Sample” button on the fourth slide (click on 4th circle at bottom right). It should be a generous 6 oz. sample plus a coupon. Your free sample should arrive within about 4 weeks. Thanks goes to Bonnie for sharing! Find the current Walmart samples here. Most free sample pages on Walmart’s website require the free Adobe Flash Player.