Product structure7layers&8 layers are availed for your selection.8 high-tech layers all made from food-grade materials 1st layer: cotton smooth non-woven (better absorbency which give ultra comfort)2ndlayer: Woven cloth anion chip (which contains 6100 anion per cubic cm. It worksnaturally to relieve menstrual discomforts)3rd layer: Air-laid paper (360 degree tightly wrapped,not easy causes napkins deformities.)4th layer: Super absorbent polymer (effectively blocks the water more than ten times, keep dry)5th layer: Professional diversion layer(can accelerate the liquid to proliferate rapidly, is helpful to flicker attracts, prevents the side to leak)6th layer: air-laid paper(enhance freshness,provides maximum absorbency per sanitary pad)7th layer: PE breathable leak-proof bottom layer(allows the air to be absorbed in for ventilation)8th layer:adhesive glue release paper(Specially designed back adhesive which conforms to human ergonomics)Detailed Product Description