Helen is the older sister. She has G-cup naturals. Erin is the younger sister. She has H-cup naturals. Together, they're the most boob-slapping, nipple-sucking, tit-swinging sisters in the history of big boobs, and believe it or not, in this movie, they oil each other's tits, give each other lap dances and buzz their pussies with vibrators side-by-side, too. Six scenes, two in which they do the kinds of things with each other that average sisters usually don't do, plus an interview.