These are my cats' first collars (the cats are about 1 year old). 1 has adapted well to wearing it: the bell isn't too large or heavy to get in his way but can be heard from some distance and I can easily adjust the collar for his comfort. The safety buckle comes apart quite easily. It's very highly reflective.
The other cat has not adapted well! Within one week she had lost hers and I have not seen it again. While I would rather have a collar that can come off safely, I would have liked to own this one for a little longer - especially for the price! I do recommend this collar for laid back cats, or ones that are comfortable with wearing collars.