Ibanez earplugs provide a sung but gentle seal without unwanted pressure. Earplugs also offer a reduction in noise levels up to a 20dB. The box includes a practical carrying case.Made in: ChinaOriginal Colour by Producer: TransparentColour: TransparentType: In-EarActive noise cancellation: NoBattery Operation: NoMaterial: SiliconePackage Contents: Carrying CaseSensitivity (dB): 20.0