Features: 1) Cotton core series 2) Prolonged type for day use/night use 260mm 3) Top sheet: soft cottony 4) Prolonged convex cotton core design for your body, considerate and thoughtful design, super strong polymer mixes SAP, super strong capability to absorb menstrual blood and hold it firmly without leakage 5) Full anti-leakage concave trace design, effective prevention of leakage to any direction 6) Strong breathable bottom membrane for removing hot and humid air, which makes your skin clean and comfortable