Nylon Sutures The purple nylon sutures are contained in a clear waxed paper bag, which reads: “Nylon Sutures Synthetic Silkworm Gut No. 5, 100 Strands,” made by “Fannin & Co. Ltd, 41 Grafton St., Dublin.” It also states that these sutures are “14’ Non-Absorbable, Boilable, Do not use Phenols.” This item is part of the Dr. Diarmuid O’Driscoll Collection. 1925-1975