1. Material: dense velvet
2. Soft and comfortable, do not feel tired when worn for a long time
3. Good air permeability, not easy to crack
4. Easy to replace
5. Good quality and long service life
6. Installation method: remove the plastic collar in the old earmuffs, then insert it into the newly purchased earmuffs, and then buckle back to the earphones.
7. Size: about 70x52mm