**Product Specifications:**
1. **Brand:** hongdou
2. **Material:** Cotton, Spandex (main fabric); Rayon, Silk, Spandex, Nylon (crotch lining)
3. **Features:**
- 7A antibacterial mesh crotch
- Trendy color combinations
- Soft and comfortable
- Moisture-wicking, breathable, and skin-friendly
- Effective antibacterial protection
- Contains natural silk
- Seamless design for comfort
- Elastic and stretchable
- Stylish and high-quality craftsmanship
4. **Sizes:** L/XL/XXL/XXXL
5. **Color Options:**
- Set 1: Grey, Pink, Green, Blue
- Set 2: Blue, Green, Grey, Black
6. **Care Instructions:**
- Hand wash recommended
- Avoid prolonged soaking in alkaline solutions or detergents
- Air dry in a well-ventilated area
- Wash dark colors separately and soak in saltwater before first wear
7. **Additional Information:**
- Due to lighting and screen differences, actual product colors may vary
- Normal color fading may occur due to dyeing process
- Some pilling may occur due to fabric composition and friction
- Allow product to air out to reduce any initial odors
Please note that all measurements are approximate and may vary slightly. Thank you for your understanding.