Plain Gut Ethicon Sutures are absorbable, sterile surgical sutures composed of purified connective tissue derived from either the serosal layer of beef or the submucosal fibrous layer of sheep intestines. Indicated use includes in general soft tissue approximation and/or ligation. 3/0, 18" Plain Gut Absorbable Suture with Reverse Cutting X-1 Needle (1/2 circle), Box of 12 Suture