The childhood game of kickball is making a comeback! This Mikasa (R) official-size World Adult Kickball Association (WAKA) kickball is the only official ball of adult kickball. It features a classic red design with a diamond pattern reminiscent of childhood recess. Features: Mikasa (R) P100K official-size adult kickball 10" diameter rubber kickball Official WAKA kickball Classic red design with diamond pattern Made of rubber