1. Material: high elastic sponge 2. Features: close to the ears, good sound insulation, non-slip, elastic, breathable and comfortable 3. The sponge has good elasticity and good hand feeling 4. Good elasticity, more comfortable to wear 5. High sponge density, good sound quality control 6. Protein earmuffs, more comfortable to wear 7. The buckle design is not easy to fall off
