SPONGE, XRAY STR 8"X4" 12PLY STR LF (10/TR 48 McKesson X-Ray Detectable Sponges 4 inch x 8 inch (10.2 cm x 20.3 cm), 12-Ply Sterile Radiopaque Contains blue x-ray detectable barium sulfate strands for easy identification. Single Use Not Made with Natural Rubber Latex. Packaged: 10 Per Tray, 48 Trays Per Case