The Westone Audio Cable Ear Guides are made from soft and flexible silicone, allowing the wearer to enjoy an improved over-the-ear fit that reduces cable noise and keeps their in-ear monitors and earphones in place. Over twenty years ago, Westone Audio changed the way music is performed with the introduction of the world's first universal-fit balanced-armature in-ear musicians' monitors. Every accessory we manufacturer meets the highest standards in the industry and is designed to improve your listening experience.