Your pup will be ready to scare all the kids this Halloween when you dress them up in our Sulley Monsters Inc. Pet Costume! Sulley is the best scarer out of all the monsters in Monsters Inc., so you can be sure your doggy will be ready to do some real spooking this Halloween while donning this fun get-up. With your purchase, you will receive a Sulley walking pet costume with a matching headpiece. Buy yours today!