303S small foam earplugs that delivers superior long-wearing comfort and solid performance. Features and Benefits: Smooth, soil-resistant skin prevents dirt or other substances from accumulating on the skin or entering the ear canal Offers wearers superior noise-blocking performance Typical Applications: Administration Agriculture Army & defence Automotive Aviation Building & construction Catering Chemical industries Electricity Energy Fishing Food industries Foundry Glass industries Cleaning Iron and steel industry Laboratory Logistics Maintenance Medical & pharmaceutical Metal industry Mining & quarrying Offshore Paper industries Printing Services Ship building Telecommunications Textile industries Transportation Utilities Water treatment Welding Wood industries