Franklin Sports Official Size Softballs - 12" Softballs - Fastpitch Practice Softballs - Great for Practice + Training - Official Size + Weight

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 cork 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-.44 for greater speed and impact. Low compression (150lb-300lb) 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