Free Bag of Cat Food! Sign up for Catster and then join the Royal Canin Group to receive a coupon for a FREE Bag of Royal Canin Feline health Nutrition cat food!! I do not have a cat, however I am signing up for this, and will donate the free bag to my local animal shelter. PinShareTweetYum0 Shares Pssssst... Make sure to follow along with @HappyMoneySaver on Instagram, connect with me on Facebook and pin along with me on Pinterest!. Want all the latest straight to your inbox? get the Happy Money Saver Newsletter straight to your inbox!