GOGO 240 Pack Wiffle Balls Airflow Hollow Practice Golf Ball Bulk VALUE PACK: Comes with 240 perforated plastic wiffle balls REGULATION GOLF BALL SIZE: 42mm in diameter DURABLE PLASTIC: Made of tough plastic, lightweight and durable VISIBILITY: Solid white color make them easy to spot in any terrain Great for indoor simulators, backyards, and golf practice; Perfect for golf beginners.