Tested according to ANSI specs S3.19, Radians® made in the USA, Deterrent® disposable foam earplugs feature soft, slow recovery foam for extreme comfort and outstanding noise reduction to protect your hearing. They are easy to roll down and insert and they expand slowly for a low pressure fit in virtually any size ear canal. Radians® Deterrent® 32 Ear Plug, Uncorded Design, 32 dB Noise Reduction, Wing Shape, Regular Size, Green/Yellow Plug, Polyurethane Foam Plug, Specifications Met: ANSI S3.19, Disposable/Reusable: Disposable