Feature:1. Pressure Relief: Atmospheric pressure changes, it can cause discomfort in your ears. These Ear plugs for airplane pressure provide a counterforce, reducing the internal external pressure difference. They allow the eardrum to function normally and bring balance, making your air travel more comfortable.2. Advanced Ventilation: Featuring a micro air hole at both ends and a hollow design in the middle, these earplugs adjust naturally to your ear canal when the external pressure increases, helping relieve the discomfort of pressure discrepancies.3. Minimize Travel Noise: These earplugs not only relieve pressure discomfort but also minimize noise related to air travel, such as engine noises, wind, and passenger chatter. Travel in peace and reach your destination feeling more refreshed.4. Hypo Allergenic and Comfortable: Made from hypo allergenic soft silicone, these earplugs are comfortable to wear on long journeys and will not cause itching or pressure. They are designed to provide comfort alongside functionality.5. Suitable for Different Ear Canals: Air pressure ear plugs for flying are ergonomically designed to fit different ear canals, ensuring everyone can have a comfortable and quiet journey.Specification:Item Type: Airplane EarplugsMaterial: Silicone.Package List:4 x Earplugs1 x Storage CaseNote:It is recommended to wear earplugs before changes in external air pressure (such as before takeoff) and only remove them when the external pressure stabilizes. Do not wear while eating. When removing earplugs, rotate them slowly to release the pressure in the ear gradually. Rapid removal of earplugs may cause ringing in the ears. Not suitable for children under six years old.