Patented band design prevents ear pods from touching dirty or contaminated surfaces when set down. Great for environments with intermittent noise hazards. Packaged in a resealable bag with (1) pair replacement pods. QB1®HYG features molded pods that fit inside ear canal and a bell-flared shape for inner-aural protection. QB2®HYG provides supra-aural protection with soft foam pods that rest partially in ear and a flat-arrow shape. QB3®HYG provides semi-aural protection with super-soft foam oval-shaped pods that rest outside ear. Tested to ANSI S3.19-1974.