Medtronic Plain Gut Surgical SuturesComposed of purified mostly collagen connective tissue derived from the serosal layer of bovine intestines Electronic polishing of each strand produces a smooth surface that facilitates knot run down and strength Long ribbons of highly selected serosal tissue for optimal tensile strength, and in vivo performance Packaged in a solution of 89% isopropanol, 10% water, and 1% triethanolamine Sterile and absorbable Plain Gut Suture, Size 6 0, 18", HE 1