Durable
Arrived as described.  I’ve been using almost daily for over a month and it show no signs of wear.  It was hard to adjust to the highest level of arch at first, but it will.  It is just stiff.  Overall, I like this product.  I have used it sitting at my desk, on the floor and in bed.  It provides a comfortable level of stretch for my lower/mid back.
Rating: 5 stars