Request for a Free Full-sized Sample of Plum Baby Food in a Pouch. Choose from two infant stages. Available to the first 10,000 people who claim the coupon. To get your freebie: go to their facebook page for this promo, click Like, select the Plum pouch you would like. Facebook Popup will show up asking for permission. Click “Go to App” button. Click on “Agree to terms and conditions” and follow through instructions to get the coupons printed. or you can join their mailing list for a chance to get a Free Plum Sample in their monthly draw. Just visit their page and enter your details on the online form. Log In