Main fabric composition: cottonCrotch fabric composition: viscose fiberType: middle waistCare instructions: It is recommended to wash by hand, not to iron or bleach.1. Casual and casual, yet sexy. 30 does not clip the hip, does not block the file.2. Natural environmental protection color printing and dyeing, not easy to fade, healthier.3. Improve the sense of wearing, and the fit is not binding. Say goodbye to the sweltering heat, and feel as comfortable as if you're not wearing it.4. Bacteriostatic graphene crotch, showing honeycomb network when exposed to water, instantly absorbing moisture, absorbing moisture and perspiring from inside to outside, and keeping it dry and breathable for 24 hours.5. For the health of your private parts, it is recommended that you change all your underwear in February-March.