The Happy Dog Toys for Aggressive Chewers Dog Chew Toys for Large Medium Small Dogs Durable Tough Chew Toys are made of natural rubber that is both durable and easy on your dog’s teeth. The multi-textured surface helps to clean your dog’s teeth during play, and the durable construction ensures that your dog will enjoy these toys for years to come. The entertaining bounce action keeps your dog engaged, and the satisfaction guarantee ensures that you will be satisfied with our products.