12 plyUSP Type VIIUSP means gauze sponge meets United States Pharmacopeial Convention standards10 to a tray4 x 4 inches –> Shop About Us Contact Us Reviews and Ratings Kerlix™ Sterile USP Type VII Fluff Dressing, 4 x 4 Inch Kerlix | MFG #6120- Prewashed, fluff-dried woven gauze with crinkle-weave pattern for loft and bulk cushions and protects wound areas. Fluff…