High quality TPR material: The light-up dog ball is made of high-quality TPR material, small, lightweight, safe, and resistant to biting, helping protect your pet. Luminous and ble: The ball features a built-in sound and light device that enhances visual stimulation and attracts your dog's attention during play. Clean teeth: Designed with raised textures, the ball helps rub against your dog's teeth when chewed, promoting dental hygiene. Exercise function: The luminous dog ball offers high elasticity, encouraging your dog to chase and play, supporting physical activity and agility training in a fun way. Thoughtful gift for pets: This interactive toy adds excitement to playtime and helps relieve stress, making it a great gift for your pet or a pet lover's companion. Material: TPR with built-in button battery. Small size: 6 cm in diameter, 48 g. Large size: 10 cm in diameter, 124 g. Features: Bite-resistant, glow-in-the-dark, highly elastic, eco-friendly, odor-free. Function: Lights up upon impact and automatically turns off after 11 seconds.