Follow the link above and go through the slides until you see the Purina One Sample.
Click to get sample and fill in the form.
It’s a Sam’s Club sample but it doesn’t require a membership number.
Disclaimer: This is not a paid or sponsored post. I like to share offers/samples that I sign up for myself. I always check them out first and only post offers/samples that are legit or appear to be legit to the best of my ability. I cannot guarantee them as they do not come from me. However, I have never had a problem with Sam’s Club Samples. Sign up at your own responsibility.