The ball is a tough leather-based-seamed spheroid, that has a circumference of 9 inches (23 cm). The ball features a "seam": 6 rows of stitches attaching the leather shell from the ball into the string and cork inside. The seam on a fresh ball is prominent and assists the bowler https://finnhsago.blogsumer.com/34677390/the-ultimate-guide-to-match44-id