Material: The interactive dog ball is made of high quality silicone, BPA-free TPR, durable and learning, soft, bite resistant and easy to clean. Size: The diameter of the ball is 7cm (2.8 inches), which is a bit smaller than a normal tennis ball. Easy to carry, very colorful, ideal for interacting with your dog day or night, soft for playing in the yard, house, park or coast Sparkling ball. When the ball is hit, it glows for 10 seconds, attracting the dog’s attention. Even in the dark, your dog can play with the glitter ball happily because the glitter can tell him where he is. Bounce balls for dogs: Bouncy balls for dogs let grumpy dogs run around , not only for exercise, but also to train their agility, encourage them to exercise and help them stay healthy and strong. Interactive Pet Toys: you can play with LED dog balls, the ball bounces and glows under the colorful lights, attracting dog’s attention and helping to strengthen the bond between you and your dog. LED light ball: this