VetLON sutures are are made of synthetic, monofilament fibers. They are also very flexible and can conform well to the tissue being sutured, making them a good choice for use in areas where there is movement or tension. For Veterinary Use Only. Users should be familiar with surgical procedures and techniques involving nonabsorbable sutures before employing Nylon suture for wound closure, as risk of wound dehiscence may vary with the site of application and the suture material used. Do not resterilize. Discard opened packages and unused sutures. Acceptable surgical practice must be followed for the management of infected or contaminated wounds.