AOER&reg; Large Size Replacement Earmold Earbud for Two-Way Radio Coil Tube Audio Kits Size: Large size,one pair earbud. Coil tube NOT included For use with most Coil Tube Audio Kits, either Left or Right Ear Replacement Earmold Earbuds for Two-Way Radio Coil Tube Audio Kits The earbud fit your ear closely,won't fall down easily. The earbud is very softly.You won't feel uncomfortable even you wear it for a long time.