- USP Type VII gauze, 100% woven-cotton
- Blue filament runs through each sponge and has a unique wave pattern to ensure easy x-ray detection
- Sterile sponges are packaged in rigid plastic tray with peel back lid
- Both sterile and non-sterile sponges are banded in 10s to ensure accurate count
- 12-Ply
- 4" X 4"