KONG Stuff'N All-Natural Peanut Butter Kong Stuff'N All-Natural Peanut Butter Kong Stuff'N naturally delicious, peanut butter comes in a convenient pouch designed with a no-mess spout for easy filling. Made for a simple stuffed Kong, this treat is ideal for training and gifting at home or on the go. Extend the challenge and enrichment by using Kong Stuff'N on top of a stuffed Kong and placing it in the freezer for 4-6 hours creating a long-lasting, enriching food puzzle. No refrigeration required. Made in the USA. Characteristics Mess-free spout for easy refilling Convenient pouch for easy fill use naturally delicious Knead, squeeze into the toy and enjoy Fills any classic KONG-shaped rubber toy No refrigeration needed Store at room temperature Made in the USA