body,img,div img {width: 100% } 3m 1110 string earplugs (100 pairs) product features: Our PU earplugs are made of expandable polyurethane, providing high comfort and good protection. Uniform size fits most ear canals. Once inserted into the ear, the foam plugs expand to provide a comfortable and secure fit. e-a-r™ and 3m™ offer a wide range of disposable moldable PU earplugs for you to choose from and find the solution that best suits your individual needs. features and benefits comfortable soft hypoallergic foam material for lower pressure inside the ear soft, dirt-resistant surface for better hygiene, durability and comfort useful pointed design fits most ear canals, making the plugs easier to use only one size effective 37db high snr compatible other It is designed to be compatible with PKK's.