Visit this offer, fill out the form and get a Free I and Love and You Dog Food Sample.
UPDATE: this offer is back.
Free Pet Safety Pack with Magnet from ASPCA
Free Bag of Dr. Elsey's Precious Cat Litter (mail-in rebate)
FREE Litter Genie Pail at Petco (MIR)
Free Ageless Paws Freeze Dried Treats Sample
Free Pet Naturals Calming Chews for Dogs Sample