High quality TPR material: The light-up dog ball is made of high-quality TPR material, small, lightweight, safe, and resistant to biting and damage. Luminous and audible: The light-up dog ball features a built-in sound and light device that enhances visual stimulation and attracts the dog's attention. Clean teeth: The light-up dog ball is designed with raised textures that help rub against the teeth during chewing, promoting dental cleaning. Exercise function: The luminous dog ball offers high elasticity, encouraging dogs to chase and play, supporting agility training in a fun way. Thoughtful gift for pets: The light-up dog ball adds excitement to playtime and helps relieve stress, making it a great gift for pets. Material: TPR, with built-in button battery. Small size: 6 cm in diameter, weighs 48 g. Large size: 10 cm in diameter, weighs 124 g. Features: Bite-resistant, luminous, highly elastic, environmentally friendly, odor-free. Function: Lights up upon impact, automatically turns off after 11 seconds.