"Jieling"FRESH NEGATIVE ION sanitary napkins using the dual-core leading technology,with this techology FRESH NEGATIVE ION chip can organic combination.About the "FRESH NEGATIVE ION  chip"is a non-woven fabrics with  natural ineral-tourmaline which we put on the surface of sanitary napkins.When the tourmaline in the chip become wet and open,it can release a large number of natural elements and FRESH NEGATIVE ION ,at the sametimes emitted high frequency far-infraed rays.The chip of FRESH NEGATIVE ION release anion has high-activity and strong redox,it can damage the bacterial cell membrane or cell protoplasm activity of the enzyme for bactericidal antibiotic.Anion can make more oxygen to our body,Killing gynecological disease pathogens to ensure the health of women.The chip contains MINT,gives women cool,dry feeling and ease menstrual discomfort.FRESH NEGATIVE ION  chip can release anion up to 6100/cubic centimeters.When the air less than 1000 anions/ cubic centimeters,we feel atigue,dizziness,headache,depression ,cold and wet.When the anios in the air reach 1000-2000/ cubic centimeters can ensure our health,when the anions come to 5000/ cubic centimeters, it can increase the capacity of immunity and resistance of bacteria to ease tensions, reduce the incentives to eliminate odor, and fatigue, improve endocrine, enhance metabolism.Every one can enjoy a healthy,comfortable feeling.FRESH NEGATIVE ION sanitary napkins give double care and double health to you,each pack included 1 colpitis self-checking card.