Howard Leight by Honeywell Ear Plug, Single Use Uncorded, Series: Maximum Lite®, 30 dB Noise Reduction, Contoured T-Shape Shape, Universal Size, Green Plug, Polyurethane Foam Plug. -26 to 60 deg C temperature range 16.51 mm Dia 26.67 mm L Contoured T-shape for easy handling and wear Ideal size for workers with smaller ear canals Low-pressure polyurethane foam expands gently for comfortable long term wear Optional style with attached cotton cord and paper bag packaging suitable for pulp and paper and other process industries with zero tolerance for packaging waste requirements Smooth, soil-resistant closed-cell, foam skin prevents dirt build-up