Fun Glitter Balls: These pet bouncy balls are designed with LED flash style, they will light up and flash colorful lights when hit, last about 12 seconds, can arouse your dog's interest and attract its attention, these glow balls are in Dark to make them easier for your pet to find, providing it with a fun training and play experience Attractive gift: These colorful pet glow bouncy balls can be a great gift for your beloved cats and dogs, help them grind and clean their teeth, you can throw these balls and let your pets bring them back, which can deepen the The connection between you and your pet Good elasticity: These LED flash spike pet balls have good elasticity, can bounce up and down flexibly, you can interact with your pets, train their running and jumping ability, make them active and keep healthy Sufficient Quantity and Variety of Styles: The package contains 4pcs LED light up dog balls, smooth type and prickly type, 2pcs each, the diameter of the light up balls is approx. 5.5 cm/ 2.2 inches, sufficient quantity and various styles to meet your pet's daily needs and play replacements Great for interacting with pets: These pet glow balls light up and twinkle when hit, so day or night, you can interact with ball-loving dogs and cats, keeping them relaxed and active. Wide range of applications: These pet teething balls are perfect for your lovely pets to chase and play indoors and outdoors in the garden, yard, pet party, park, etc., an attractive gift for pets, and you can also share them with friends who have pets.