Blood Overnight Panty Pad S-M 4s. A dream team combination of an overnight pad that's shaped like underwear. Our curve-hugging fit ensures total 360-degree protection, locking in leaks for maximum absorption and comfort through the night, ensuring you a worry-free sleep. Featured with corn layer that’s naturally skin-friendly and antibacterial. Perfect for both everyday use and maternity care (postpartum bleeding). Our S-M panty pads fit hip size at 75cm-96cm, M-L panty pads fit hip size at 92cm-120cm and L-XL fit hip size at 115 - 135cm. There are 4 pieces of panty-pads inside 1 pack.