Shuya Anion Sanitary Napkin Large Description-Food grade material-Soft non-woven surface Features forNano Silver LLove Moon Anion Sanitary Napkin with Negative Ion for ladies:Enclosed Free Vagina Health Self-Test CardThis card is used specially to detect effects and examine health data of vagina area before and after the use of this product. It is a health self- test card with up-to-date science & technology.It’s made of 8 layers with food-grade materials:1st layer: Thin silk and soft cotton fast absorption surface allowsliquid to absorb three times faster.2ndlayer: International advanced anion chip3rd layer: Air-laid paper wrapped4th layer: Super absorbent polymer Packing:Individual easy wrapped, 10pcs per pack of day use, 8pcs per pack of night use, 30pcs per pack of panty liner.