JW® MegaLast® Long Dog is a tough flexible dog toy made of Megalastomer, our durable TPR, Thermo Plastic Rubber. TPR fuses together elements of plastic and rubber for added durability and bounce. These toys are infused with vanilla that entices dogs to chew. The Megalast Long Dog is a dog toy your pooch is sure to love because it is easy to grip and perfect for toss and fetch! This long-lasting dog toy is super-tough so it will hold up to tough play. Pliable, resilient rubber has proven itself to be the best material to satisfy a dog's craving to chew. They're mega strong, mega bouncy and mega fun.