Flexible Gutters

Has anyone ever used the roll of EZE RV gutter that adheres with 3m tape? http://www.amazon.com/RV-Gutter-Black-25-BL025002/dp/B00LI7JCP8/ref=sr_1_4?ie=UTF8&qid=1445190712&sr=8-4&keywords=eze+rv+gutte...