Promote the wound healed. Sub-slight, breathe freely, transparent and suitable. Creat a well no bacteria circumstances around the operation area. It applied to all kinds of surgical operation. The tube is very firm. No hinder to the vision. Sub-slight and light. A very long sticking time, no skin permeation reaction. It applied to many types of tubes, especially fixation of retaining needle. Indwelling needles skin protective membrane is applied to fixing and protect many types of tubes.