A quick update on Laser Lites. I'm just back from a couple of weeks round various bits of northern Europe using the Laser Lites and I'm quite impressed. They're softer than the no name orange ones that you can buy in bulk from Ebay so once you've put them in external pressure (tight fitting helmet / sleeping on them etc) has less effect.
They roll up easily for ear canal fitting and - importantly for a disposable - keep on rolling up so you can reuse them more times than the orange ones. One of the ones I started with still goes into my left ear (easier anatomy or something than my right) after nearly two weeks. Interestingly they seem to "click" or make some kind of noise as they expand, something I've not come across before. Because they're soft it's easy to break the air seal when pulling them out so they don't invert your eardrum (as much anyway).
They don't cut out quite as much sound as the orange ones but for most purposes they're more than good enough. If I can get them cheap enough (and remember to order them) they're what I'll be using from now on.
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