Surgiprotector is made of medical polymer material, there have a elastic circle annulus inside. Surgiprotector may be used for chest and abdominal operation, so as to avoid contamination of all the layers of incision by cancerous or infection. Directions: Cut and open package, take the surgiprotector out by clamp sterilized, spread protective membrance, face the circle annulus to cut, then compress it into ellipse by hand, plug the ellipse circle into celiac inside, so it will flick all around by itself. So it can protect the patient?s skin being cut, then begin to operate. Diameter 18cm ? 100cm, 22cm ? 100cm, 26cm?100cm