KONG Treat Spinners dynamic internal tumbler increases the challenge and mental stimulation of this durable food dispenser. A barrel of fun, this toy holds up to 4 cups of kibble and easily twists open for easy filling. Its internal spinning channels slow down kibble dispensing, making it an ideal, slow-feeding weight management tool. Its exterior construction is designed for long-lasting sessions of quiet play.Holds up to 4-cups of kibble for extended funInternal spinner provides a mentally enriching challengeIdeal for slow feedingEasily twists open for filling and cleaning