SANOHRA® pro sleep earplugs SANOHRA pro sleep earplugs are specially designed for nighttime use. These earplugs reduce disturbing noises without impairing overall hearing. This allows important sounds from the environment to remain audible. Size M The size M earplugs are suitable for ear canals with a diameter of 811 mm. Such a precise fit ensures effective noise protection. Application The earplugs should be gently inserted into the ears before going to sleep. This ensures a secure and comfortable fit. Manufacturer Sanohra GmbH Melli-Beese-Straße 19 50829 Cologne