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
