Honeywell bilsom 304LI corded earplugs are brought to you by Honeywell - a leading brand in personal protective equipment with over 100 years of experience. These single-use earplugs offer superior noise blocking performance with an SNR rating of 33 dB (reduces noise levels by up to 33 dB). The earplugs are made of soft polyurethane foam which deliver long wearing comfort along with solid performance. Tapered bullet shape is easy to roll and insert correctly, feels soft to the touch and in your ear. Corded for convenience and to prevent loss of earplugs. Smooth, soil - resistant skin offers optimum hygiene preventing dirt or other substances from accumulating on the skin or entering ear canal.