Available in plain or chromic gut, nylon, silk, polypropylene and PolySynâ„¢. All sutures are packaged in a sterile, double pouch for sterile transfer. Boxes are shrink wrapped, color coded and packaged in 1 dozen. All gut and PolySynâ„¢ sutures are configured in foil to foil inner package with an outer clear mylar pouch.- 7/0 Nylon Suture, Black Mono, 18"/45cm, C1, 11mm 3/8 Circle, 12/bx 14-21 Days