KONG Stuff N Easy Liver Treat is a flavoursome paste which is designed to be applied to the inside of a KONG toy or the grooves of a KONG dental toy. The paste is a delicious, highly digestible and trans-fat free and requires no refrigeration. Your dog will love spending hours trying to lick the paste out of the KONG toy!Instructions: Should be applied to the inside surface of the KONG toy. Simply Hold toy in one hand and place your index finger of the other hand on the nozzle. Turn the can upside down at a 45 degree angle, insert the nozzle into the grooves of the KONG Dental toy or inside the edge of the KONG and press down firmly for 2 seconds!Ingredients: Milk, water, soybean oil, whey protein concentrate, dextrose, modified corn starch, sodium phosphate, dried chicken liver, maltodextrin, salt, lactic acid, sodium alginate, dried lactobacillus (fermentation product, rennet, natural smoke flavouring, caramel colour, sorbic acid (preservative).