Perfect Design: These high fidelity earplugs have excellent structure, designed so that the earplugs fit ears of different sizes, which ensures effective noise reduction Comfortable to wear: It is non-toxic and comfortable for prolonged use. It will not cause itching or pain from pressure. Ideal for all day use at festivals and long tape practices. Hearing Protection: The noise reduction level of the earplug is 31dB (SNR), enabling a good night's sleep and isolating industrial sounds. Perfect for sleeping, construction, industrial or other noisy environments. Easy to clean and reusable: Waterproof sleeping earplugs are washable and eco-friendly. Before using earplugs, rinse with water and dry with a clean cloth or allow to air dry. Let you enjoy your trip without worrying about pressure changes . The silicone earplugs block out harmful aircraft engine noise or outside noise that may interrupt your sleep. Due to factors such as manual measurement and display differences, there may There may be slight differences between individual products and images, please excuse me.