Low linting, fluffy and highly absorbent, our x-ray detectable sponges are made from 100% cotton and meet USP Type VII Standards. Available in multiple sizes and plies. This product features dual x-ray detectable barium sulfate strands in a unique figure 8 design (for easy detection) layered into the sponges.X-Ray Detectable Sterile Woven Gauze Sponges are Ideal for Use in the O.R.X-Ray Detectable Woven Gauze Sponges - 8"" X 4"", 24-Ply 10/Tray" Case Pack 20