Franklin Sports Official Game Softballs - OL3000 Fastpitch 12" Inch Yellow Softballs - Official Size + Weight Tournament Balls for Practice + Games - 1 Pack + 12 Ball Bulk Packs

OFFICIAL SIZE & WEIGHT : These balls are constructed at official 12" size and weight so you can practice exactly how you play DURABLE CONSTRUCTION: These softballs are made with a solid pu core interior with a durable synthetic syntex cover so you can use them season after season FLAT SEAMS: The lay-flat seams on the balls minimize air-friction helping the ball achieve a more accurate ball flight COR : .42-.47 for greater speed and impact. Low compression (275lb-375lb) for better flexibility and impact OPTIC COLORING: The optic yellow cover makes these balls easy to track and locate in the daytime or under the lights