Now you and your best friend can keep playtime going long after sundown. Just expose the ball to light and watch it glow in the dark. This soft, durable, non-toxic toy is great for indoor or outdoor play. Say goodbye to drool-encrusted tennis balls - Fetch & Glow by American Dog Toys, Inc. is easy to clean, waterproof and even floats. So, wherever the fun takes you -- to the dog park, the beach, or just around the house -- Fetch & Glow will keep your dog running, jumping and fetching … Day or Night! Available in fun assorted neon colors. Sized for smaller dogs; also see our Fetch & Glow for larger dogs and Flash & Glow, The Flashing Dog Ball that Glows in the Dark.