Loop Ear plugs

Hi,

Been a while since I last posted on here.

I was wondering if anyone have or had used Loop Ear Plugs before. 

I'm wondering if these will be good for me as I have really sensitive hearing (so nearing my worst part of the year for me) and just wanted to see what people's views were. I usually use foam ear plugs for sleeping, but I am almost reaching for them on a daily basis, just because things like vehicles are becoming louder rather than staying at a constant level. 

What are people's views on these? xx