iFetch Interactive Ball Launchers for Dogs FETCH-A-HOLICS REJOICE! Automatic tennis ball launcher lets small dogs play fetch to their hearts' content. MINI TENNIS BALLS: Finally, a toy made for small dogs! Comes with 3 mini tennis balls (1.6-inch diameter). Use other similar sized balls too! Just try not to get them too dirty or wet - this will affect performance. Please Note: This is the small iFetch automatic ball thrower. The iFetch Too is the larger automatic ball launcher. PHYSICAL & MENTAL: Running and fetching? Perfect. Learning to initiate fetch on their own? Priceless. Owner supervision is recommended. Tennis balls that are 1.6Inches in diameter LAUNCH-O-MATIC: Adjust the launch distance to 10, 20 or 30 feet with the touch of a button. The perfect indoor or outdoor dog toy, invented for, and tested by, our resident fetcher, Prancer. CUSTOMER CARE: Created, owned, and still operated by the Hamill family in Austin, Texas. Call or email us directly with any questions or issues. We specialize in happy human and canine customers. WORRY-FREE WARRANTY: Our iFetch products are backed by a one-year warranty. Call or email us directly. We know your dogs tail will wag. We want yours to wag too. Hidden ball storage compartment on the bottom to store balls