SAFETY FIRST: Our dog toys are made of natural rubber, which is hard, flexible and non-toxic. Nylon can easily injure the gums, and when the dog cuts into small pieces, these nylon fragments are sharp enough to pierce the dog’s mouth and are very dangerous if the dog swallows them. Although rubber doesn’t have such a problem. Attractive to your dog: This toy is designed to look like a real bone, with the added taste of beef, your dog can get plenty of interest. Consider your dog’s hands and teeth: Curved design makes it easy to grip. The thorns in the bone help clean the dog’s teeth. Best Playmate for Dogs: With this durable, safe and well-designed toy, your dog will be happier and smarter. Reduce chewing and barking and say goodbye to loneliness and boredom.