Packing list: Total 100 pieces Surgical Sutures USP: 5-0 4/0 3/0 Metric: 1.5 19mm 3/8 Reverse Cutting NYLON Blue color with needle. Nylon Monofilament . Non-Absorbable Suture It is steriled. But still suggest only for training. Quality is guaranteed,please feel free to order. Will shipped out by a Valid Tracking ID. Surgical Sutures Nylon Monofilament USP 4/0 Reverse Cutting Suture Sterile Available sizes: 3/0 4/0 5/0. Any need to assorted your size,welcome to contact us. FDA STATEMENT The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, you can bid on this item only if you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item.