Design features for Cycles-Period:Broaden Leakproof Cloth in front and back with 3 layers; Hi-rised,Super Soft and Elastic+Pocket in front+Antitheft, need to paste pad during Menstruation, and this Panties are not leakageMATERIALS: 52.5% Cotton, 47.5% Bamboo fiber and others.S SIZE:7-8; For waistline 32.5inches~38.5inches; Plane measure:waist circumference:11.81inches;hip circumference:14.57inches in width; Bottom length:5.12inches; Crotch deep:11.02inches in heightCHARACTERISTIC: Leak-proof, soft, breathable and hard to distortNOTE: We have Updated the design of the crotch,as the pic showed,we will ship them in random!!!Also this women underwear can not replace pads. The leak proof capacity is against unexpected leakage overflowed from pads. You also need to use pads during the special time.