How are cricket balls made?

How are cricket balls made?

Cricket balls are made from a core of cork, which is layered with tightly wound string, and covered by a leather case with a slightly raised sewn seam. The covering is constructed of four pieces of leather shaped similar to the peel of a quartered orange, but one hemisphere is rotated by 90 degrees with respect to the other. The ‘equator’ of the ball is stitched with string to from the seam, with a total of six rows of stitches. The remaining two joins between the leather pieces are left unstitched