Contoured 4-Flange, ultra-soft polymer design puts more material in contact with Ear Canal. Delivers all-day comfort and superior attenuation. Built-in, firm handle allows user to direct the angle of insertion, adapting to each ear canal. Insertion and removal is easy and much more hygienic than rolling down foam plugs. Washable, reuse for weeks with no loss of comfort or effectiveness. Lower life-cycle costs and increased economy. Universal size, self-contours to fit virtually any shape of ear canal. Accommodates diverse workforce to simplify inventory control. Advanced non-allergenic polymer material. Non-irritating, resistant to ear wax and body oils; outlasts PVC ear plugs. Five versions available Corded, un-corded, poly-bagged, plastic case with key-chain, metal detectable.