GLOW IN THE DARK: Keep the playtime going after sunset with our glow in the dark dog ball, providing 20-30 minutes of glowing fun after just 5 minutes under bright light for great interactive dog toys SAFE AND DURABLE: Made with safe photoluminescent material, these Chuckit balls for dogs withstand your dog’s energetic play while ensuring their safety IDEAL FOR NIGHTTIME FETCH: Compatible with medium Chuckit! Launchers, these 2.5-inch glow in the dark balls make fetch exciting for dogs weighing 20-60 lbs ENGAGING PLAY TEXTURE: Chuckit! Performance toys are designed with you and your dog in mind; featuring a texture dog's find fun and engaging, while being easy for you to clean VERSATILE TOY RANGE: Explore Chuckit!’s full line of dog products, from flying disc toys to glow in the dark toys and chew toys