The Whisker City Light Up Cat Balls are designed for kittens and young puppies, featuring a durable plastic construction and flashing LED lights that activate with motion. These glowing balls provide entertainment and stimulation for small breeds, making playtime more engaging and exciting. With a compact size of 5 x 5 x 0.5 inches and a weight of 0.03 kilograms, these Cat Balls are easy to handle and perfect for indoor use. The brand, Whisker City, is known for its quality pet products, ensuring that these balls are both fun and safe for your furry companions.