E-A-R UltraFit EarplugsConforms to oval shape of ear. No rolling or touching plug portion during insertion. Patented flange design gives most comfortable fit of any reusable earplug. Washable, promotes worker hygiene. Color: Yellow; Noise Reduction Rate (NRR): 25 dB; Packing Type: Poly Bag; Quantity: 200 pair per box; Type: Corded.