Made from tough durable nylon for powerful chewers over 35 lbs. Textured design provides added dental stimulation and chewing satisfaction. Snap in a NylaboneTreat Bar for added treat time fun! This durable dog bone comes with one tastychicken-flavored treat your dog will love! Additional treat refills soldseparately. Bone satisfies your dog's chewing habits Reinforces chewing on toys vs. your furniture, shoes, etc Relieves boredom Treats sold separately. Caution: Use under pet parent supervision.