Main fabric: nylonCrotch: silkType: middle waistNursing instructions: It is recommended to wash by hand at low temperature and hang to dry; Do not bleach or iron.1. Choose high-quality fabrics, which are double in elasticity, light and soft, and almost can't feel its existence. Reduce friction and make skin more stress-free.2. Silk is inside, breathable and moisture-absorbent, durable in mite prevention and bacteriostasis, and caring for skin health.3. Traceless process, no curling and deformation; Reactive printing and dyeing, not easy to fade; Fit the waist curve, and wrap the buttocks for a long time; Bow ornament, with a unique girl's heart characteristic design sense.4. For your private health, it is recommended that you change all your underwear every 3 months or so.