Tasty Bone Nylon Chicken Trio Bone, Large has been designed to meet the chewing needs of strong, powerful chewers, Trio Bone is our toughest chewing challenge yet. Packed with irresistible flavor the unique dental nubs help control tartar build up while making your dog's teeth and gums strong and healthy. The unique design and dynamic shape encourages your dog to chew and play promoting good oral hygiene. TastyBone is the UK s No. 1 manufacturer of Nylon, Edible and Rubber Chew and Play Toys. Infused exclusively with human consumption grade flavors (no animal content, salt, sugar, additives or preservations) TastyBones retain their lip-smacking tasty flavor for their whole life.