Circumference:9" Surface material:genuine leather Core:double cushioned cork Wool:0%-100% Compression:300-400lbs Professional Genuine Leather BaseballOur products include baseball, softball, stuffed ball, rubber bounce ball, which are for games, training and promotion. 1.Description:Item No.:ZF-B001Circumference:9"Surface Material:Cowhide LeatherCore:Double Cushioned Core with Wool Winding Wool:0 ...