SmartFit Detectable Ear Plugs are a corded, multiple-use earplug with conforming material technology, meaning they use body heat to adapt to the shape of the ear canal for a comfortable, personalised fit. SmartFit Detectable and bright blue color and metalised features can be detected by visual or automated methods. It is the ultra-smart choice for today diverse food industry working environment. - Conforming Material Technology to the shape of the surrounding ear canal when in your ear, and returns the earplug to its original shape when removed - Delivers superior comfort and a truly individual fit - Simplifies inventory control - a single product can fit almost every wearer - Blue colour provides high visibility in detection - Metal ring on stem detectable by automated equipment - Approved to EN 352-2