There is another free sample offer available. This time it is for Purina One Dog Food. To get yours, head to this page on Walmart and wait for the site to load. You will see an image pop up in the center of the screen:
Click on the blue Get a Free Sample button and fill out the form to request one. You can also click the blue button for a coupon for $3/1 Purina One or Purina One beyOnd Dry Dog Food, 16.5 lb+, any variety.