QuikClot EMS 4x4 Dressing with kaolin 10/bxQuikClot EMS 4x4 Dressing, is indicated to quickly, efficiently, and effectively, treat all day to day bleeding injuries. QuikClot EMS 4x4 Dressing is a sterile, soft white 4" x 4" nonwoven hemostatic dressing with X ray indicator, and is impregnated with kaolin, an inorganic mineral that activates Factor XII, which in turn accelerates the body's natural clotting ability. This bleeding control solution creates a robust clot to control bleeding fast