Plastic Imported EXTREME DURABILITY: Engineered to retain shape and prevent cracking, even after thousands of hits 5X STRONGER: Lab tested to last 5X longer than traditional plastic practice balls LIMITED FLIGHT: Designed to flex on impact to prevent cracking and reduce travel distance MULTI-USE: These balls are perfect for sports training, outdoor games, pet training and more OFFICIAL SIZE: These balls are constructed at official 1.5" size to give your games a more authentic feel Includes 12 balls Color: white Size: 5 Inch Lab tested 5X more durable than traditional plastic training balls Includes reusable drawstring travel bag