Sofy Super Deep Sleep Guard 330 is a premium overnight menstrual pad designed by Unicharm for extra heavy flow nights. This 33cm winged pad features an innovative turning over fit absorbent core that moves with your body during sleep, maintaining secure positioning throughout the night. The dam stop cushion technology and Japan's tallest side gathers provide 360 degree leak protection against side and back flow, while the star shaped catch cushion guards the front area. Suitable for women experiencing particularly heavy menstrual flow who need reliable, all night leak prevention and comfortable secure sleep.