In America, we see so many individuals suffering from.back pain due sitting for long hours on a daily basis. This seat cushion is the solution to your pain. However, I will say that your tailbone needs to be where the opening is. If not, you will not feel the full pain relief. Yes, there are many individuals that are using the product wrong and then claiming that it has not helped their pain levels. This cushion has been my lifesaver. I can easily throw it on my office chair, sofa, vehicle seat, etc. I no longer have to suffer in pain! In addition, this cushion is extremely comfortable ans easily washable.