As with most products, you just don't know till you try it out. Arrived in 11 days (within specified time). Had it together in a very few minutes. Ordered due to foot/leg problems of recent. It immediately had a positive effect for those issues. However, it killed my back in just two days. I gave it some times to see if my back would adjust, but it didn't. The lumbar support is out too far for me and not adjustable. The neck pillow is also non adjustable and hurt my neck. Also I was surprised thSee full review