Chicago-Style Softball 16" (16 INCH) White Chicago-style softball - It was created during the 1920s using an oversized 16" softball That famous oversized softball became known as a "Chicago-Style Softball." The seams are hidden behind the interlocking cover, making this softball more durable - ideal for use on rough playgrounds, grass and asphalt These oversized 16" circumference softballs are designed for limited flight and will get softer after some use. Model # CSB-16 Features: Kepok pressure bonded core Cowhide leather cover with interlocking seam Game or practice softball