Bought the 10’x14’ and I’ve had it for a month. So far so good. Came well packaged and didn’t have a strong odor. It flattened within 24 hours and I preferred not using a pad. I use carpet tape to keep edges down. Feels soft to walk on and seems to be durable and so far has not frayed (I do not let anyone walk on it with their shoes on). 
Definitely recommend for medium to high traffic areas.