KONG CoreStrength Bamboos durable, bamboo-infused material entices chewing while providing long-lasting fun. Raised nubs and textures reward appropriate behavior while having the benefit of cleaning teeth. Ideal for dogs that cant spend enough time chewing, the unique design fulfills desires while looking great in the household.Durable bamboo material satisfies instinctual chewing needsNatural aroma entices and rewards engagementRaised nubs and ridges help clean teeth and gumsWARNING: Cancer and Reproductive Harm -www.P65Warnings.ca.gov