TONKA - REAL TOUGH: Tonka materials make our Diamond Clad Ball toy perfect for fetch and for teaching your dog new tricks HIGH VISIBILITY: The bright yellow/black Diamond Clad Ball is easily trackable for both you and your pet, no matter where or how far you toss it MADE TO LAST: Lightweight, durable, and weather & water resistant FOR MEDIUM AND LARGE BREEDS: 4 inch ball is ideal for medium and large breeds SAFETY FIRST: Designed with your dog's safety in mind, each of our dog toys are tested to ensure endless hours of family fun