Okay so I seriously considered NEVER buying from NJP again due to the fact that their original patches left me with a rash (I have never been allergic to adhesive so I do not know what could have caused it and almost gave up on my CGM journey) and they were clunky and thick until... I was introduced to the NJP Air patch. I had seen testimonies from others talking about how the Air patches did not give them rashes when the original patch did and so I decided to give it one last try seeing as my other methods of keeping the patch in place were not working either. I have to say that I am happy I went with my gut. These patches light and breathable and I seriously cannot feel them on my arm. I personally like to change mine out every 7 days but I have gone as far as 10 days with the same patch before prying it off my arm as it probably had more life left in them. Seriously, if you did not like the original patches, do not give up and give these patches a try!!! You will not regret it!