Wiffle Ball Original Brand Baseballs, Regulation Baseball Size, 24 Count PERFECT FOR BATTING PRACTICE - This value pack comes with 24 individually packaged perforated plastic Wiffle balls. Whether you're fielding a team, or playing in the backyard, this pack has you covered. REGULATION BASEBALL SIZE - Each of these perforated balls measure 9" in circumference and with the proper technique you can throw curve balls and sliders just like the pros. DURABLE PLASTIC - Each ball is made of a tough, rubbery plastic that is light in weight. It cannot be thrown or hit great distances, so it is great for indoor activities too CURVES LIKE CRAZY - This ball is designed so it will easily curve which makes this great training for batters. Prepare for lots of strikeouts, and in this popular barbecue activity we call strikes "WIFF"s. MULTIPLE SIZES AVAILABLE - This ball comes in regulation baseball size (2.86" diameter) and a popular softball size (3.82" diameter). Pick the size that is best for you.