Launch Balls for Dogs Farther & Faster: This interactive dog toy upgrades the classic game of fetch by enhancing your throwing speed and distance with less effort. Your dog is challenged to run farther and faster with this ball launcher for dogs. Please note that you need to scoop the ball using the launcher and we advise you to follow the suggested "Thumb on the top" grip to throw the ball with more efficiency. Convenient & Slobber-Free: Designed to extend the reach of your arm, this tennis ball launcher reduces need to bend over to pick up muddy, slobbery balls. Includes a glow-in-the-dark, high-bounce Chuckit! Ball to extend the fetching fun well after sundown Fetch Facts: the Chuckit! Classic line dog toys changed the game of fetch over 20 years ago and was an instant dog toy classic. The PRO style offers higher performance with a comfort grip handle; SPORT style has a slim ergonomic handle for added speed Sizing matters: Compatible with 2.5" diameter tennis balls or medium Chuck it balls best for dogs 20-60lbs. Balls should be small enough for your dog to carry, but large enough that the ball can't completely fit in their mouth. When in doubt buy a size up Make Fetch Happen: Chuckit! interactive dog toys are designed with you and your dog in mind to enrich the human-animal bond and help dogs stay active. Our Indoor and outdoor dog toys include dog balls, dog pool toys, tumblers, puppy toys, flyers and more