Fabric Composition: it's made of polyamide (nylon) and elastic fiber, it is silky, smooth and healthy, won't irritate the skin and won't deformed by washing. we added a natural cotton layer to the crotch, which is soft and comfortable, that gives you a protection in privacy.Seamless Thong Underwear: Low waist, just like the second layer of skin to meet the picky requirements of the butt for comfort. you won't get foreign body sensation and it can reduce the friction during exercise, you can easily control all kinds of material fabric dresses or semi-nude dresses, with sweatpants or tight-fitting professional wear can also reveal the traces, highlighting the human body beautiful lines.Comfortable And Breathable: the function of moisture absorption and sweat removal of fabrics is the most important thing we concerned about ,it's like the thin air, breathability is particularly good, you won't feel hot in summer and it won't give you the feeling of stuffiness too. it's the subtle combination of comfort and sexy curves, let us show the sense of confidence and romance easily.Size Guide: it's a classic fashion model, which integrated with exquisite printing elements, wearing a youthful and vigorous girl feeling. Hip Measurements: X-Small = 34-35.5" ; Small = 36-37.5" ; Medium = 38-39.5" ; Large = 40-42.5" ; X-Large = 43-45"