From the manufacturer's website:
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Inside every EarPlanes® earplug is a small ceramic filter
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During take-off and landing of a flight the CeramX™ filter slows the shift of air pressure that enters your ear
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This more gradual change in air pressure exerts less stress on the eardrum, reducing overall ear discomfort
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CeramX™ technology protects your middle ear from rapid changes in air pressure
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Soft, hypoallergenic silicone
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Reduces cabin noise by 20 dB
- This product includes (1) pair of EarPlanes®
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.