Laser Lite Single-Use EarplugsVibrant colors make protection visible. Self-adjusting polyurethane foam expands to fit virtually every wearer. Contoured T-shape for easy insertion and wear. Smooth, soil-resistant closed cell-foam skin prevents dirt build-up. Body Material: Foam; Color: Magenta/Yellow; Noise Reduction Rate (NRR): 32 dB; Packing Type: Bag; Quantity: 200 pair per box; Type: Uncorded.