Wait for the second screen of the popup window and click the yellow block labeled "Get a Free Sample." You'll be redirected to a form where you can enter your mailing address to request a sample of Purina Active Life Dog Chow. You'll receive the free sample by mail while supplies last. Limit (1) sample per household. Samples are only available to consumers in the United States. Please allow up to four weeks for your free sample to arrive in your mailbox.