This Man Wants to Sell You Male Butt Wipes

FORTUNE -- Michael Dubin's next big idea is 5-inches by 7-inches, infused with ingredients like aloe and marshmallow herb, and slightly moist to the touch. Dubin, founder and CEO of Dollar Shave Club, is betting the company's newest product -- bathroom towelettes for guys -- will help the two-year-old startup expand beyond shaving materials.