ETY-Plugs and BabyBlues High Fidelity Earplugs, model ER-20, are ear protectors designed to prevent hearing loss in loud environments. These ready-fit earplugs reduce sound approximately 20 decibels at all frequencies. They replicate the ear's natural response, so sound quality is preserved and speech is clear and not muffled. The standard size fits most adults; BabyBlues are for individuals with smaller ear canals. The earplugs come with a carrying case and instructions. SIZES: Small (BabyBlues) and standard (ETY-Plugs). COLOR: Blue (BabyBlues) or white (ETY-Plugs).