Specifications Absorbent napkin MG 60s, 87x132mm Absorbent napkins are a truly indispensable product for the food industry. They are widely used in the packaging of various edible products, primarily chilled meat or fish. The role of the absorbent insert (napkin) is to collect excess liquid in the package and minimize the growth of bacteria. Research confirms that the use of a napkin increases the shelf life of a product in a MAP or vacuum by up to 2 days, all other things being equal.