RedTop Infield Mix is a time proven product that covers professional baseball, collegiate, high school, city, and county ball fields. It is specially manufactured for use as a top dressing on the skinned portion of ball diamonds. The contents are specially combined to aid in firmness, percolation, and to help you play when other games are rained out. Sun and rain will not leave a "hardtop" surface which will help keep the infield smooth and playable. 28% Clay, 60% Sand, 12% Silt.