I had gained weight and my bras didn't fit anymore, then I bought these, hoping they would help, because who wants to spend more money on a wardrobe when a little fix will help?  They do come in different sizes, so you have to make sure you do measure.  I was pleasantly surprised how well these work, and they tend to stay on the bra when you disrobe so you don't have to look for them.  A good buy.