Material: The interactive glowing dog ball is made of high quality silicone material. Durable, soft, chewy and easy to clean. Size: The diameter of the ball is 5 cm, which is slightly smaller than a normal tennis ball. Easy to wear. Very bright colors perfect for socializing with your dog day and night They are soft and great for playing in the garden, at home, in the park or on the beach Glitter Ball. The ball lights up when hit, attracting the dog's attention. Even in the dark, your dog can happily accompany you play with the glitter ball, because the glitter can tell the dog where it is. Bouncing Dog Balls: Bouncing dog balls can chase crazy dogs, not only make dogs happy to exercise but also train their agility, encourage them to exercise and help them stay healthy and strong INTERACTIVE ANIMAL TOY: You can play with the LED dog ball that bounces and glows under colorful lights to attract your dog's attention. This strengthens the bond between you and your dog LED Glowing Ball: This colorful LED dog toy lights up with every hard impact, maximizing the fun.