100% Cotton Imported Machine Wash SIZE - PLEASE CHECK THE SIZE CHART in the picture or product description carefully before purchasing. Our size is Asian size, which is different from the Amazon size. Recommend 1-2 size up. FABRIC COMPOSITION - It's made of polyester and elastic fiber, it is silky, smooth and healthy, won't irritate the skin and won't deformed by washing. We added a cotton layer to the crotch, which is soft and comfortable, that gives you a protection in privacy. CARE INSTRUCTION & SATISFACTION GUARANTEE - Machine wash or hand wash with cold water, dark colors separately, tumble dry low. Don’t iron. Don’t bleach. Find your underwear size as size chart. VARIETY COLORED PACKAGING - Underwear use variety packing, in order to offer you more intimate care, give you more choose for daily wearing.Easy match for you different color clothing. 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.