Material: The interactive light up dog ball made of high quality silicone, BPA free TPR, durable and study, soft, bite resistant and easy to clean. Size: The diameter of the ball is 7cm (2.8inch), which is a little smaller than the normal tennis ball. easy to carry, super bright colors are great for interacting with your dog day and night, soft, suitable for playing in the yard, house, park or shore Flashing ball. The ball will glow when hit and last for 10 seconds, which will grab the dog’s attention. Even in the dark, your dog could play happily with the flashing ball, as the flashing could tell him where he is. Elastic dog ball: the elastic dog ball can let the grumpy dog keep running, not only let the dog exercise, but also train dogs agility, encourage them to exercise, help them to stay healthy and strong Interactive Pet Toys: They can play with the LED dog ball, and the ball can bounce and glow in the colorful light to get your dog’s attention, it will help to strengthen the