in other words when a woman buys a pair of these ungarments to they come back and buy more?ur revenue is repeat so we have a good business there. >> question number two is, disruptors, almost by definition take on big giants, behemoths, there is proctor and gamble, union lever, all of these consumer products companies that could really do what you are doing. >> right. >> how do you defend >> what is crazy is young people have been putting really old things in their body now for more than 80 years i know it's hard to believe but the incumbents haven't innovated since the menstrual cup in 1987. a long time. we put a man on the moon, invented the iphone. but 50% of the population uses these products on a regular basis and there has been no innovation. >> how are youess growing the users base how many have you sold so for. >> we have 500,000 people on our customers list the market is huge it is a $34 billion market globally our segment is the fastest growing segment. it's growing at 30%. >> two more issues michelle wants to know, from the desk, does this product replace the need