Anti-noise Sleep Earplugs Soundproof Earplugs – Black

1. Material: silicone + sponge + elastomer 2. Washable 3. 3D laminated design 4. Noise reduction rate: 32 5. Use range: noise reduction, sleep, out 6. Small and soft, comfortable to wear, no foreign body feeling 7. Human cochlea structure design, fit the ear, to prevent falling off 8. Size: 21x14mm 9. Weight: 0.1kg