No more sciatic nerve pain I ordered this because I have been making frequent 2-hour road trips to care for my aging parent and I was suffering from sciatic nerve pain. I'm happy to report that after the last two road trips, I did not have sciatic pain. It appears that the BackJoy device really helped to correct my sitting position and thus prevent the usual stress on my sciatic nerve. When I'm not traveling, I use it when I sit at my computer desk for long periods. I'm very pleased with this purchase.

Making classes comfortable Backjoy seats make all day classes comfortable regardless of the quality of the chair seats. This is a great advantage for needleworkers. They also greatly improve long plane rides.

Excellent Support I have been using the BackJoy seat for years, primarily in my car. I recently bought another plastic material seat because I feel like it provides better support than the softer seat, which I also use. The harder seat works better in the car, especially over rougher roads. I'm very satisfied with BackJoy and my brother recently used my two different seats and was very pleased with the support. He preferred the harder seat.

misleading advertising I am sure this product has helped many people sit in office chairs, but... Misleading advertising. The pictures are confusing, and show people in twisted yoga poses. And they show a backjoy sitting in the seat of a car with no person. After purchasing one, I found through customer service that although the website says "Can be used in any chair", they are NOT meant to be used in a car or in any seat where your back is against the back of the seat, such as a sofa or recliner. Since I only wanted it for my car, this was worthless.

Makes working at my desk pain free such a simple thing, but so effective in making time spent at my desk pain-free. We have bought 2 now because both my husband and I can't go without them. Great for both relieving back pain from sitting, and also great at improving chair comfort overall.