PetSmart: Coupon for a FREE bag of Catswell Treats (Facebook offer) The PetSmart Facebook page has some new awesome coupons including one for a FREE bag of Catswell Treats! Hurry before all the coupons are gone. 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!