The Jennie Finch Pitching Lane Pro lets you train like Olympic Gold Medalist Jennie Finch. The mat includes a regulation pitching rubber with inside and outside inlaid white lines to help pitchers comply with NCAA regulations (Rule 2.19) that restricts them from pitching outside the 24in pitching rubber. All Jennie Finch softball pitching mats come with our non-slip backing, keeping your mat from moving during indoor training. Mat includes a carrying case.