KONG Holiday CoreStrength Rattlez Stick delivers long-lasting chewing satisfaction with a durable KONG-crafted, multilayered core in bright holiday colors. The rattling sparks instincts and keeps pups playing. The exterior textured words prolong chewing and help clean teeth and gums between all those holiday treats. Ideal for both independent play and interactive fun. With an irresistible rattle that prolongs play, the durable, KONG-crafted, multi-layered core provides long-lasting chewing satisfaction while the red and green textured surface helps clean teeth between holiday treats.