... : 11cm, width: 7.5cm, height: 4.5cmMaterial: The overall use of ABS material is injection moldedPacking: 50pcs/ctn, 50 * 39 * ... sites, downtown, etc. from the noise, with the earplug use .Red part injection molded ABS plastic, impact resistance, heat ... low temperature resistance, chemical resistance and electrical properties, outstanding cup anti-shock design, durable interior lining is soft, wear ...