Features: 1) Cotton core series 2) Specially prolonged for night use 280mm 3) Top sheet: soft cottony 4) Prolonged towel size of 280mm for full protection, which let you safe and at ease even if there is more bleeding 5) Full anti-leakage concave trace, effective prevention of leakage to any direction. Close integration of surface layer and absorption part, no distortion against move in any form 6) Super strong magic polymer mixes SAP contained in the towel, which may absorb and hold menstrual blood instantaneously, and let you safe and at ease 7) Strong breathable bottom membrane for removing hot and humid air, which makes your skin clean and comfortable