1. Material: protein skin, sponge 2. Features: good sound insulation, anti-skid, good air permeability, and full of elasticity 3. Close fit, not easy to fall off, no destructive noise reduction of the original sound 4. Made of skin-friendly leather material, all-inclusive ear design, soft and comfortable 5. Soft memory elastic sponge, thin and light to isolate dust, no sound leakage 6. Ergonomic design, comfortable and breathable 7. Dimensions: 8.5 x 7 x 2 cm 8. Weight: about 25g/piece
