FLASHING BALL：The glowing light can attract the dog's attention even in the dark, your dog could play with the flashing ball happily because the flashing could tell the dog where it is. SAFETY MATERIAL: The dog ball is made of TPR material, non-toxic and bite-resistant, the ball will glow when it collides and lasts about 10 seconds. STRONG ELASTIC: The bouncing ball not only has high elasticity to let the dog chase, but also bite resistance, let your pet away from boredom, to protect your furniture from being destroyed by your pets. DURABLE: The ball is an ideal interactive toy for dog training, a great stress reliever, suitable for indoor and outdoor play. Note: The data is manual measurement, please allow 1-3cm error, due to the differences between the light and the screen, there will be a certain color difference, the specific received in kind prevail.