Duracare is the brand name of polypropylene sutures manufactured by Dolphin Sutures. Polypropylene sutures are monofilament sutures of an isotactic crystalline stereoisomer of polypropylene, a synthetic linear polyolefin. Polypropylene sutures are non-absorbable and provide permanent wound support. Polypropylene sutures are blue colored for easy identification during surgery. Polypropylene sutures have excellent tensile strength and are used for orthopaedic, plastic and micro surgeries, general closure and cardiovascular surgeries. Polypropylene sutures are popularly known as Prolene sutures. Polypropylene sutures elicit minimal tissue reaction and do not cause tissue rupture or support infection. Polypropylene sutures are available in blue colour.