Check the listing for details. Semi Custom Flexible Open Ear Insert EarMold. Condition: New. Listed at 7.99 USD. TAPaulk's Semi Custom EarMolds. Our Flexible Open Ear Inserts or (Ear Molds) are molded from hypoallergenic plastic in five sizes to accommodate right or left ear use, and require no modifications of the earphone to attach. While the Flexible Open Ear Insert fits entirely inside the ear, its open frame design still allows the user to hear ambient noise. The ultra flexible material comfortably conforms to the shape of the users ear, even permitting telephone and headset use while wearing the Flexible Open Ear Insert.Comparable to much higher brand models, our EarMolds are a great choice for professional users!Product SpecsProfessional gradeProvides comfortable wearing for long periods of timeDoesn't block hearingAllows user to hear ambient sound from the same earAvailable for right or left earAvailable in small, medium, and largeNo modification to attach to earphoneSizing SpecsExtra Small: Concha bowl height less than 15⁄16 of an inch. Small: Concha bowl height 15⁄16 to 1 inch. Medium: Concha bowl height 1 inch. Large: Concha bowl height 1 and 1⁄16 to 1 and 3⁄16 of an inch. Extra Large: Concha bowl height greater than 1 and 3⁄16 of an inch. Due to hygienic reasons, returns are not accepted on this item.