2x Pair of Noise Canceling Ear Plugs2x Carry CaseSpecification:Product name:noise canceling ear plugs Model:937617Material: liquid siliconeColor:green+blueEarplug size:2.2x1.5x1.5cm/0.8x0.6x0.6SNR(Signal Noise Ratio):25dbWaterproof:yesApplication: for concerts, bands, learning, sleep, workFeatures:-Christmas tree shape reduces pressure on the ear canal, suitable for long wear-Suitable for a variety of different ear canal shapes for prolonged sleep without causing ear discomfort-Can be used repeatedly without deformationWearing method: Pull up the upper part of the ear gently, align the earplug with the ear canal and gently rotate it to a suitable position to ensure that the air in the ear canal does not communicate with the atmosphere. This product can be used repeatedly and cleaned.