Material:The interactive dog light ball made of high quality silicone, BPA-free TPR, durable and studied, soft, bite resistant and easy to clean. Size: the diameter of the ball is 5 cm (2 inches), which is a bit smaller than a normal tennis ball. easy to carry, super bright colors are great for engaging with your dog day or night, soft, suitable for play in the yard, house, park or shore Flashing Ball. The ball will glow when hit and last for 10 seconds, attracting dog’s attention. Even in the dark, your dog can play with the flashing ball happily, because the flashing light can tell the dog where it is. Bungee dog ball: The bungee dog ball can let the grumpy dog to pursue, not only does the dog exercise, but also train dogs’ agility, encourage them to exercise, help them keep healthy and strong Interactive toys for Pets: They can play with the LED dog ball, and the ball can bounce and shine in the colorful light to attract your dog’s attention, it will help strengthen the bond