ITEM NAME:1Pair Pressure Noise Reduction Sleep Silicone Earplugs Reusable Multfuntion S3A9 Description.1 pair of aviation earplugs. Noise reduction value: 27db. Supports washing, reusable and long life. Material: Silicone. Healthy silicone material, green and healthy, non-irritating. Micro-porosity and air chamber design, effectively balance the internal and external air pressure.
