RDIFMX Red Diamond Infield Mix is a natural, specially formulated blend of clay, silt and sand. This mix allows for excellent drainage, reduced erosion and dust control. These natural materials bond to provide the required consistent firmness and resiliency to any playing field. This specially formulated blend of materials has been developed and perfected through the help and insight of industry professionals and does not bleed onto other areas and does not stain clothing or uniforms. View sieve size chart below. The rich color adds contrast to areas it borders, and it creates a durable, natural surface commonly used for walkways, patio areas and driveways.