This is a Dutch company, which specialises in manufacture and testing of ear-plugs meeting the highest standards for CE and ANSI certification. The plugs are made from very durable foam, which tolerates even very long, repeated use, is resistant to water/sweat and offers excellent breathability. These plugs are one-size fits all (size M-L) thanks to their ergonomic shape. The plugs ensure maximum protection for your hearing and are suitable for use in rehearsal rooms, at concerts and also during construction or when working on a production line.