I’m sorry that I haven’t responded. I have been neglecting this blog unfortunately :( life has been so crazy!
I am unsure as to which pair you are referring to, but if you put a description of the pair I could definitely let you know if they are available in 28mm!
Yeah it completely makes sense! It is safe, but you just have to be extra cautious and make sure to listen to your ears. I only had one size stretched from a professional and it was fine but I did it on my own before that (and with my last stretch) and nothing bad happened. I should have gone slower, but that is besides the point. Just be sure that your ears are ready and that you are stretching with the proper jewelry (tapers). Also, it is good to note that some people believe that stretching with metal tapers are better for your ears but I used plastic ones and that was just fine :)
Sorry for the delay on the response! But I hope that this helps and feel free to ask any more questions!
Happy stretching :)