The ball is a tough leather-seamed spheroid, with a circumference of 9 inches (23 cm). The ball contains a "seam": 6 rows of stitches attaching the leather-based shell on the ball into the string and cork inside. The seam on a different ball is well known and helps the bowler https://trevorwemsz.blogunteer.com/34463352/a-review-of-match44-id