0.75x14x0.75. Blood Vessel Prosthesis. "Two Orlon grafts that were the first seamless fabric prostheses used in arterial transplants. housed in a "Edwards Teflon Arterial Graft" box and made of Teflon. The original Orlon graft was hand loomed in 1955 by J.C. Hubbard. Jr." who at that time was a graduate student in textiles at Clemson."