TRIPLE FLANGE EAR PLUG W/CORD|HOWARD LEIGHT AIR SOFT|Bilsom’s One-Fit earplugs feature an exclusive, one-size-fits-all triple flange design. They are made of a soft, silicone material for long-lasting comfort and durability, and are available with or without a safety neckcord. Their noise reduction rating is 23dB. HOWARD LEIGHT AIR SOFT