Material: The interactive dog light ball is made of high quality silicone, BPA free, durable and sturdy, soft, bite resistant and easy to clean. Size: the diameter of the ball is 5cm, which is a little smaller than the normal tennis ball. Easy to carry, bright colors are perfect for fun with your dog day or night, soft, suitable for playing in the yard, house, park, or the coast Flashing ball: the ball glows when hit, and lasts for 10 seconds, which will attract the dog's attention. Even in the dark, your dog can play with the flashing ball happily because the flashing light could tell the dog where it is. Rubber ball for dog: the elastic ball can keep the dog running , not only let the dog happy to exercise, but also train dogs' agility, encourage them to exercise, helping them to stay healthy and strong Toys for pets: they can play with the LED ball, and the ball can bounce and shine in the colorful light to attract your dog's attention, it will help strengthen the bond between you and your dog