They are manufactured in Holland, which is a big plus for me, as what can be produced locally without always outsource to China to reduce manufacturing costs;
They are ultra-light silicone, purple (color that I love but could displease, even if one does not see them when installed) and ultra simple to: once installed they do not move, and you really see the difference, you feel really isolated from any outside noise.
It is against specified that they do not prevent to hear an alarm or an alarm clock, I still put my sound up alarm clock, but luckily I always wake up before.
However if I have to go on a trip and waking up early I will let outside noise to wake up, afraid to miss my train and my plane, you never know!
These plugs are supplied with synthetic carrying case and zip, in order not to lose them, because of their size and lightness, better indeed well after cleaning store: it is very simple, I personally leave soak in soapy water with a disinfectant for germs, I leave 10 minutes then I rinse and towel: thanks to the silicone they dry instantly, while my old foam plugs were still wet several hours unusable on.
I have not tested if there is a lot of noise around me, but I do not think they are effective in this case, that's not what I wanted so I can not specify whether they isolate if noisy environment.
They specify isolation 27dB.
Personally I do the door when I wake up in the night because my sleep becomes lighter, if not at the beginning I fall asleep very well with nothing, it saves me from having to wear them all night, preferring still wear nothing This I think is healthier.
In short, perfect for a peaceful and relaxing nights: a good night's sleep, there's nothing like :-))))
