Four-flange design features noise-blocking fins that eliminate "plugged up" feeling and create a better more comfortable seal, and provide optimal protection. Rounded flanges and tapered shape fits better in the ear canal. Firm stem allows for proper insertion and easy removal. Provides more comfort than other flanged, reusable earplugs due to the softer flanges not applying as much pressure. High-visibility cord helps prevent loss/misplacement by draping easily around neck for temporary storage. Includes carrying case for added convenience on the range or in the field. 1 pair of earplugs per pack. Noise Reduction Rating: 27. Color: Blue Plug, Red Cord. Size: One Size Fits Most.