measure the area that wants cooling earlier than shopping for a unit. females tend to be slightly larger than males. choose the approach to health and well-being that suits you. oh well, the truth is out! ....what an ugly blob, of an old hector this is. speak friendly and (tend to) explain some of your information rather, than throwing it on the table. oh well-it was a good thought and try. want to give your product a truly custom look and feel? 