Free Sample: Purina Beneful Incredibites January 18, 2011 at 6:06 pm by Cindy Livesey | Free Samples 1 Comment You can get a free sample of Purina Beneful Incredibites. Don’t have a dog? Consider requesting it for your Couponing for a Cause donation. Share Pin TweetShares 0 Coupons powered by Coupons.com The links in the post above may be affiliate links. Read the full disclosure.