This is for 1 Pin with 2 rubber backings. The pin measures 1.5 inches in length. Also, the majority of my pins are 1.5 inches in length, so they are all very compatible with each other. Intersex: Intersex people are individuals born with any of several sex characteristics including chromosome patterns, gonads, or genitals that, according to the Office of the United Nations High Commissioner for Human Rights, "do not fit typical binary notions of male or female bodies". -Wikipedia