Virtues SMB Polyester braided sutures with PTFE coating offers utmost lubricity. Smoother and stronger than Silk Heavy coating also eliminates dead space Easy to handle and provokes less tissue reaction It is strong inert and compatible with body tissue Knots slide smoothly and offers best knot security Provides high tensile strength and long lasting support, which is critical in cardiovascular and orthopedic applications. Heavy PTFE coating and tight weave provide minimum friction, allowing the suture to pass easily through the most friable tissue