Polyamide suture is nonabsorbable sterile surgical suture composed of the long chain aliphatic polymers Nylon 6 Nylon 6,6. The suture is provided dyed (black or blue), or undyed (clear). The pigment for the black dyed suture is Hematein (Logwood) black, the pigment for the blue dyed is FD&C #2 blue. The suture is packaged both dry or in a wetting solution of 90% Isopropyl Alcohol, 0.5% Diethylethanolamine, 0.5% Sodium Benzoate (U.S.P Grade) and Water Q.S. AD 100%. The product meets all requirements established by the United States Pharmacopeia (U.S.P.) for nonabsorbable surgical sutures.