Sound insulation proof noise sleep work students sleep proof noise snoring fit molded rubber earplugs mute Product Description: Professional noise blocking earplugs can make you sleep comfortably and soundly Shaping earplugs can adapt to everyones changing ear canal, achieve a good fit, and keep your satisfaction. Customize your noise blocking earplugs. Everyones ear canal is unique, so your ears are no exception, customized for you Specially designed for comfort, earplugs conduct a large number of three-dimensional scans according to the geometric structure of the ear, and based on this, small earplugs only the size of peas are made. They are flexible and comfortable and fit the shape of the ear canal Try out various scenes: sleep, study, travel, work, music, road, etc Product size: one, with a diameter of about 0.9-1.2cm/0.35x0 47inch Products include: 1 box of 60 plastic earplugs