Use after opening the package. The package contains 1 m2 of gauze, packed in 1 piece. Gauze intended for dressing various types of wounds and injuries. Features: 100% cotton I speak, a bit harshly it absorbs well allows air to pass resistant to high temperatures does not change color after sterilization Apply directly to the wound CE 2274. Important information about the medical device This is a medical device. Use it according to the directions for use or the label. A medical device intended for self-monitoring - has the CE mark. It has an EU declaration of conformity. Includes user manual in Polish.