Bioears Soft Silicone Earplugs Bio Ears are the first earplugs with exclusive Microban technology. Microban antimicrobial product protection helps prevent the growth of odor causing bacteria on the earplug. Antimicrobial protection is limited to the product. Bio Ears are backed by the Good Housekeeping Seal. For noise & swimming. Helps prevent water from entering ear. Reusable. Antimicrobial protection to protect the earplug. Carrying case included. Universal fit-one size fits all. Available in the ear care sections wherever health & beauty items are sold.