Glowing balls for pets: these glowing molar balls with LED flashing design can give off colorful light when your pet hit them, lasting about 12 seconds; When in the dark, these LED glowing balls are shiny that they can arouse your dog's interest and attractive its attention, making them enjoy the funny time for playing and trainingFunny pet toys: you can play with your pets by using these glowing elastic balls to enhance the feeling between you and your pets, and you can share with friends or family members who have pets, helping train pets' ability to run and jump, keeping them active and healthyReliable and durable: these pet spiky balls adopt quality TPR material, which is soft, tooth-friendly and dependable for your dogs to bite and chew, not easy to fade and fray, durable and reusable that they can be applied for a long timeInteracting with pets: these pet color spiny balls with good elasticity can bounce so far that your pet can run to pick up the balls back, helping you interact with your pet, nice gifts for strengthening the connection between you and your beloved petsAppropriate quantity and vivid color: the package contains 2 pieces LED light up spiny dog balls measuring approx. 5.5 cm/ 2.2 inch in diameter, vivid color can catch your pet's eyes and appropriate quantity to meet your pet's needs and replacements for playing