We're pleased to introduce our newest Trident Master Softballs. Made from Synthetic Leather, our softballs are manufactured under the most stringent conditions in Taiwan. Improved seam technology and design gives pitchers superior control on the mound and helps fielders locate the ball quicker in the glove to throw with more accuracyAn all-Cork Centre offers a .47 COR (Coefficient of Restitution), which provides an ideal bounce level. Maximum Compression: 375 lbsCork Centre is fused with Rubber Granules to offer a superior softness when battingAvailable in 12" (Senior) or 11" (Junior) options