The information about the product is provided by the seller. Notwithstanding any of this information, the product is not intended for diagnosis, cure, mitigation, treatment or prevention of any disease, is not a drug or a medical device, and should not be used for any medical purposes. Please consult a medical specialist.-----Packing List: 2x Silicone Earplugs 1x Plastic Storage Box (Free Gift) 1x Packing BoxIngenious design, physical noise reduction The small and soft earplugs are not only comfortable to wear, no foreign body sensation, but also fit the ears. It is not easy to fall even if you lie on your side or turn over. It is the first physical line of defense against noise.Product Introduction Oval umbrella-shaped design, which fits closely to the ear canal Repeated washing Three-layer noise reduction Nano coating 40dBProduct Features 1. Shark fin design: prevent falling off, comfortable and firm 2. 160 on-ear design: no feeling of pressure if you dont sleep 3. Oval three-layer structure: the noise reduction effect is increased by 30% 4. The material is selected from German nano silica gel: the earplugs are not easy to stick to gray, and the hand feels fineProduct Specifications: Material: Nano silica gel Purpose: Hearing protection Specification: 17x14mm Weight: 10g Life: long-term useHow to Wear: 1. Lift the upper edge of the auricle with your hand to facilitate the wearing of the earplugs. 2. Slowly put the earplugs into the ear canal, and slowly press the finger against the tail. 3. Press the tail edge of the earplug snugly into the auricle.