Main fabric: nylon/nylon Crotch: mulberry silk Type: middle waist Size: Average size (suitable for women weighing between 45 and 70kg) Nursing instructions: It is recommended to wash by hand at low temperature and hang to dry; Do not bleach or iron. 1. This pair of underwear is like your second skin, which satisfies the fussy requirement of the buttocks for comfort. You won't have a foreign body sensation, and you can also reduce the friction during exercise. You can easily control fabric dresses or semi-naked dresses, sweatpants or tight-fitting business clothes made of various materials, highlighting the beautiful lines of the human body. 2. Ice silk touch, cool and breathable, reactive printing and dyeing, high color fastness, no curling, no shifting, no slipping and no ligature marks. 3. The crotch of mulberry silk can relieve itching. It contains porous structure, good hygroscopicity, skin-friendly and non-irritating, and protects female private parts. 4. For your private health, it is recommended that you change all your underwear every 3 months or so.