The Chew King 3 in. Glow Ball Dog Toys are perfect for playing fetch after the sun has set. These glow-in-the-dark dog balls are easy to find in low-light conditions. With charge under the light, these high-performance fetch balls can last for 30 to 45 min. of playtime. Vet-recommended glow-in-the-dark dog balls are made using only thoroughly tested, pet-safe materials. Durable, fun, and designed to outlast even your super chomper or fetch machine's most vigorous play. Plus, there's a fun toy for every active part of your pup's day! Try a glow-in-the-dark dog ball today and keep your fetch-loving pup happy day and night!