The “zero-gap design” fits according to the shape of the buttocks and fully blocks leakage from tossing and turning! Won't cause troubling gaps, and thoroughly absorbs even after tossing and turning♪ The “sheet with triple absorption and dryness*1 ” draws in menstrual blood which causes stuffiness and stickiness, keeping the surface dry all night. Prevents stuffiness and provides comfort throughout the night! For nights when you especially don't want leakage. (Quasi-drug) *1 Compared with our “Laurier Skin clean guard for heavy nights with wings” on volume of liquid returning to surface