This toy is a great tool for the aggressive chewers. It helps the dog to deter bad chewing behavior. What is more, this rubber dog toy can be used in a variety of ways including training, fetching, tug war and generally having fun with your best buddy! Our interactive rubber toys come in a variety of shapes and sizes. The toys are handmade by twining high quality cotton & polyester threads; this rope is further knotted together for added strength, protection & durability. Thick and tight knots can satisfy the natural urge to chew. It also massages the gums and helps clean teeth to control plaque and tartar. These toys are environment-friendly, 100 % safe, natural & durable, bite resistant & will not lose color.