The seam of ball is circular stitching which joins the two halves of the cricket ball. it is formed by sewing together two pieces of materials along the margin. a cricket ball is made from layers of twine wound around cork core, inside a red leather shell. it is stitched with strings to form balls prominent seam, with six rows of stitches. A raised seam of six rows of stitching gives a ball a number of unique qualities and helps determine its swing , cut and spin.