Yevia Biodegradable Anion Sanitary Napkin is longer napkin to allow for more protection while the wearer is lying down, the size is little longer than regular Napkin. This Napkin is with absorbency suitable for overnight use. We ensure Yevia hygiene products are biodegradable. It means an item that can break down into natural materials in the environment without causing harm. Anion sanitary napkin has an anion strip inside the cotton setting, which emits high density of anions when used. During the process of anion neutralization, the released oxygen could suppress the major source that causes gynecological diseases.