Great choice, But I would say, depending on what you actually NEED, it might not be what you WANT to get…we can help you decide on what you should get after we get some more info from you.
Gym - Depends on what system your gym uses?
What gym are you with?
Can you use TagInfo and share the results here
You can remove or change the UID
If it doesn’t scan, that is also useful information.
Can you take a d share a photo of the card/fob and reader?
Contact info is very easy using TagWriter or NFC Tools
Ideally one on the partner map
if there are none nearby, what City are you in/Closest to?