PGA (Polyglycolic Acid) 4-0 Colorless/Undyed Suture, with FS2 (C6) Reverse Cutting Needle (19mm, 3/8 Circle). 30"(75cm). Sold 12 per box. Look Comparision: 423B Ethicon Comparison: J423H. IMPORTANT: These PGA sutures are undyed/colorless.