1x BLACK COILED ACOUSTIC TUBE FOR TWO-WAY RADIO SURVEILLANCE-STYLE EARPIECES 1x BLACK LEFT EXTRA SMALL GEL COVERT OPEN EAR INSERT EARMOLD EARMOLD SIZE CHART MEASUREMENTS EXTRA SMALL 22.8mm / 0.89" SMALL 23.7mm / 0.93" MEDIUM 24.5mm / 0.96" LARGE 26.0mm / 1.02"