The 3M Peltor Optime III is a high-performance hearing protection device developed for use in extremely noisy environments, such as airports, theaters, ship machinery, power plants, and printing. - Contoured, modern space-saving shells - Foam and liquid-filled cushions for comfort - Headband profile for constant pressure on the ear and effective protection - Deep shell interior to reduce moisture and heat - Large and comfortable cushions to reduce pressure on the ears and improve comfort and wearability Measurements: - Width: 11.1 cm - Height: 21 cm - Length: 14.5 cm - Weight: 0.4 kg