Super-duper is synonymous with colossal. Look it up. Either way, we think our Colossal Chicken Dinner equals pet food in HD. And besides, Colossal goes better with Chicken. Made with big chunks of chicken and hand-stuffed peas and carrots in gravy, this new Chunky flavor will make any mealtime special. Merrick Chunky Grain Free Colossal Chicken Dinner contains no artificial colors, flavors or preservatives. Delicious, home style chunks that your dog will love.