They also get a ribbon or something around the neck, in a complimentary color, and that is what the tag hangs on. It is made out of cardstock, and can be left on the bear or removed and put away.
Bears arms and legs are normally attached with heavy upholstery thread and buttons. This is an old style joint method used by many early doll makers. I use buttons from the garments you send, if there are any
I can add a photo or embroidery to a vest, chest or footpad. There is an extra charge if I add embroidery or photos to a bear, because it takes a bit extra time and effort. My sister does the embroidery for me.
Part of this may have been covered before - but things I take for granted with the bears are sometimes just totally new to someone else!