Ethilon Nylon Suture with Black Monofilament. These sutures are sterile, synthetic, non-absorbable monofilaments dyed black for greater visibility. Made from Nylon 6 and Nylon 66. Indicated for soft tissue approximation and ligation, including ophthalmic, neurological, and cardiovascular procedures. Ethilon exhibits minimal inflammatory tissue reactivity, and then is slowly enclosed by fibrous connective tissue, where it will remain forever. 2-0, 18". FS (26mm 3/8c, Reverse Cutting). 12/pkg.