We haven't had it installed yet on our diabetic cat, but the box was barely dinged up and the sensor appears to be fine. As for it staying on him, the vet uses a good quality glue that he hasn't been able to remove so far.

I’ve always used dexcom but decided to give these a try since they’re supposed to last 14 days. The first one I put on lasted 2 1/2 days before falling off. The upper arm location is terrible in my opinion. I’m active outside everyday and things often brush against my arms. Having to scan the device with my phone was a nuisance. The sensor obviously knows what my glucose is so why the extra step? It seemed completely unnecessary and was beyond annoying so I won’t be using these again.

Perfectly working sensor. Great price. Well packed, no damage. Will definitely it again.

I bought two, the first one was working fine, the second one doesn’t work

As described, fast shipping,, package will