1. Material: silicone 2. Soft and comfortable, no fatigue 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. Silicone design, light and soft 7. Waterproof and dirt-resistant, durable and practical, easy to clean and washable, beautiful in color 8. For Sony WH-CH520/WH-CH720N
