KONG StuffN All-Natural Peanut Butter and Chicken combines two favorite flavors in a convenient pouch designed with a mess-free nozzle for easy stuffing. This irresistibly tasty, human grade treat is ideal for training and on-the-go uses. Extend the challenge and enrichment by placing a stuffed KONG in the freezer for 4-6 hours. No artificial colors, flavors. Gluten free. No refrigeration required. Made in the USA.