The 3M 1100 Ear Plugs are soft and comfortable, providing excellent noise protection.Provide maximum comfort and low pressure inside the earSmooth, dirt resistant surface provides better hygiene, durability and comfortTapered design fits comfortably in ear canalsSoft polyurethane foam is hypoallergenicThe 3M 1100 Ear Plugs are made from soft hypoallergenic PU foam material to provide maximum comfort and low pressure inside the ear.The tapered design fits most ear canals and is making the plugs easier to use. Its smooth, dirt resistant surface provides better hygiene, durability and comfort.Sold as a pair - non-corded.