*Bing bong* Good morning this is your captain speaking we’re currently cruising at 29,000 feet and thanks to you packing your Flight Mate you’re hearing me loud and clear without that annoying underwater muffled sound or the uncomfortable and sometimes painful ear popping! Designed to reduce the pressure in your ears without blocking out normal voices so you can still chat to your friends about the inflight movie choices!Super Important Stuff: for external use only. Not suitable for children under 12 years old. Keep away from infants. When not in use, Wash with warm soapy water or 70% alcohol and keep in plastic box supplied. In case of ear infection or other ear problems, consult with doctor before use.Fitting : Gently pull ear outward and upward and insert plug into ear canal with slight twisting motion. Do not use force. Allow plug to sit comfortably in ear. If painful, remove and reinsert. Check that strong background noises are blocked while normal speech can be heard. If you can’t hear normal voices, plug is inserted wrongly.Dimensions (W/H) – 1 x 1.5 cmMaterial – 100% SiliconeRub-a-dub-dub – Wash with warm soapy water or 70% alcohol. Dry thoroughly.