1. Compact and portable design
2. Material: Nylon
3. Anti-pressure and anti-wrestling
4. The fabric is made of superhard
5. Small size ( diameter about 8cm)
6. Large space to put ( two headphone no problem )
7. High hardness ( 10-15 kg weight can be anti-) compression and drop
8. Good for collect earphone
9. Size: 80x80x35mm
