FREE Purina Dog Chow Light and Healthy Sample November 8, 2013 By Guide2Free 5 Comments 50 Share Tweet +1 Pin EmailGet a FREE Purina Dog Chow Light and Healthy Sample! It said I didn’t qualify for the sample…. maybe you will? The sample contains a coupon on the back. Also included is a festive dog bandana for your pet to sport while on-the-go! WANT MORE FREE SAMPLES? Email SIGN UP More Free Samples No related samples.