Radians Prohibitor Earplugs Foam 31 db In The Ear Aqua Blue Small 25 Pair. 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 Disposable Foam 31dB Earplug Products: Manufacturer: Radians NRR: 31 dB Quantity: 25 Pair Color: Aqua Blue Fabric/Material: Foam Features of Radians Prohibitor Small Disposable Foam 31dB Earplug Products Ideal size for smaller ear canals NRR 31db Polyurethane Foam Tapered Bullet Shape Soft slow recovery foam made in specialized factories Meets ANSI S3.19 12percent smaller than standard plug Package Contents: Radians Prohibitor Small Disposable Foam 31dB Earplug Products Radians FP74B/25 Prohibitor Earplugs Foam 31 Db In The Ear Aqua Blue Small 25 Pa