GingiKNIT+ Non-Impregnanted retraction cord is constructed by knitting many tiny loops together to form a long interlocking chain. The GingiKNIT+ Non-Impregnanted places easily without fraying or memory. The GingiKNIT+ Non-Impregnanted conforms to the sulcus with a gentle, outward force. This retraction cord will cut cleanly if touched by a high-speed cutting instrument.Each bottle contains 6 feet (72 inches/183 cm) of knitted cord.