Replacement Earmold Earbuds and Coil Tube perfect for Two-Way Radio FBI Style Headset Acoustic Coil Tube Earpiece use with most Coil Tube Audio Kits, either Left or Right Ear. Includes acoustic tube, silicone tip, and twist on connector Material: high quality rubber Earmold' Size: Medium Special Ergonomic design, very soft, Comfortable for your ear! Reduce the tiredness of hearing.