Since it is a gift for online purchase, it is not possible to measure the arm circumference, so I wrote that I wished when I could come to the main store, but when I purchased it, it says 18.5 and size, so does it mean that it is written as arm circumference measurement? If you want to increase the number of frames, please write in detail that a separate fee will be charged. If it was a loan, I would only ship it to my home, or when I bought it, I immediately got a reply, but since there was no inquiry, I wrote that I would come to the store this time, and I confirmed it by TEL, but on the day, the clerk said, "It's a purchase. It was a pity that we couldn't make it known. I think that the trivial things have been passed through because it seems that I am accustomed to expensive products. That's too bad.