Safety Ear Muff Plugs Noise Hearing Protection Earplugs. Radians Defender Earmuffs. This is a new pair of Radians Defender hearing protection muffs. The adjustable headband slides to fit most sizes. The foam filled padded ear cups fit securely and comfortably over the ear. These are lightweight, dielectric and have durable construction. When it comes to hearing protection, Radians is unsurpassed in selection, quality, delivery and value 3 Radians Jelli Earplugs. This is a new set of 3 pairs of Radians Jelli snug earplugs. When it comes to hearing protection, Radians is unsurpassed in selection, quality, delivery and value. Super soft snug plugs are washable and reusable. FDA approved materials are non-toxic. These are the highest NRR rated reusable earplug on the market today.