Silicone Ear Plugs for Background Sound FilteringEarplugs for Background Sound Filtering These earplugs are designed for environments with background noise. Its are made from soft, hypoallergenic silicone and are designed to help soften background sound. Designed to Filter Background Sound The earplugs are crafted to filter background sound. They may help create a softer sound environment. This feature is intended for use where background noises are present. Conforming and Adaptive Fit It is made