Hemostatic Dressing with X-Ray Indicator QuickClot® EMS 4 X 4 Inch 1 per Pack Individual Packet Kaolin SterileA sterile, soft white 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 Intuitive to use, EMS 4x4 dressing uses the same placement technique as standard gauze Contains an X ray detectable strip for easy identification Dressing may be left in place for up to 24 hours Three year shelf life 10 per box