Stanley High-Visibility Low Pressure Disposable Foam Earplugs with Carrying Case, 5-Pairs (RST-63001) HI-VIS COLORS: Vibrant yellow and magenta color scheme makes these hi-vis earplugs easily visible in the ear; also helps to prevent loss or misplacement EXCELLENT NOISE REDUCTION (NRR 32): Self-Adjusting foam expands to create a secure seal for excellent hearing protection in even the loudest environments IDEAL FOR SMALLER & LARGER EARS: Smaller earplug profile is ideal for smaller ear canals, but low pressure foam expands to fit virtually any ear canal COMFORT & HYGIENE: Contoured T-shape allows for easy insertion and wear; smooth, soil-resistant, closed-cell foam skin helps prevent dirt build-up and promotes overall ear safety CARRY CASE INCLUDED: Package includes a handy carrying case to keep earplugs clean and help prevent loss; 5 pairs per package