I've been using this brand over my CGMs from the beginning which was about 14 months ago. It took me a bit of time to figure out the best way to apply the CGMs without the removal being exceedingly painful as I have a genetic condition that causes my skin to easily tear, bruise, and of course - be allergic to almost all adhesives.So, the method I found that works best for me is: I start with an Expression Med underpatch, then apply the CGM, then apply an Expression Med tape (the one with a hole in the middle where the Libre 3 pokes out), then I apply a small 3D printed plastic cap that I bought on Etsy (so I don't get pressure lows when I'm sleeping), and THEN I apply an overpatch over the whole project. It's quite a thing & requires a second pair of hands, but it isn't bulky at all, and it only hurts where this overpatch has a border on the outside of the Expression Med tape. And it is otherwise unmovable.I was using this brand's tan overpatches (and covering up all the cute/pretty designs of the Expression Med tapes).I had ordered more of this brand's overpatches when my kiddo went on a CGM. Inside the package was an insert offering a free trial of one of their products. Heck yeah. Since I was tired of always looking like I had a bandage on my arm, I decided to try the clear ones - and honestly I thought I would be allergic and develop hives. I did not, much to my delight.On top of that, this clear overpatch didn't fray at the edges at all, unlike the cloth overpatch they offer. It stays in place and kind of shrinks down around the CGM making it even more secure.So, did I get the product for free? Yes. Am I writing a glowing review about it bc it was free? No.Honestly, these patches are amazing and I'm really glad they gave me a free trial. This is the one I will be buying from here on.