Reusable Ear Plug, Corded (1270) lightweight; comfortable and easy-to-use; use in a wide variety of industry. Reusable Ear Plug 3M 1270 ... smooth surface, with treatment, wearing health, safety, soft, comfortable, good sound effects. Improve The Comfort:What’s equally impressive ... flanges gently “hug” the ear canal to provide an effective seal against noise that remains comfortable all day long. And ...