Polyglycolic Acid (PGA Suture) is an absorbable, sterile, synthetic surgical suture, composed of homopolymers of Glycolide (100%). Suture is also available undyed. Polyglycolic Acid Suture meets all the requirements as per United States Pharmacopeia for Absorbable Surgical suture (Synthetic). Polycaprolactone & calcium stearate coating.