Radians Prohibitor Small Foam Earplugs Jar 25 Pr Blue. Tested according to ANSI specs S3.19-1974 Radians made in specialized factories disposable foam earplugs feature soft slow-recovery foam for extreme comfort and outstanding noise reduction to protect hearing. They are easy to roll down and insert and they expand slowly for a low-pressure fit. Specifications for Radians Prohibitor Small Foam Earplugs: Manufacturer: Radians Size: Small Color: Blue Fabric/Material: Foam Features of Radians Prohibitor Small Foam Earplugs: Ideal size for smaller ear canals NRR 31 db Polyurethane foam Tapered bullet shape Package Contents: Radians Prohibitor Small Foam Earplugs Radians FP74B25: Prohibitor Small Foam Earplugs Jar 25 Pr Blue