There are several back pain relief cushions in the market that work wonders in back pain, especially if you are sitting for long hours at your workplace. Ergo21 original cushion is the best choice to get relief from sciatica pain as it supports your lower back with its state-of-the-art LiquiCell technology that allows your body to glide by distributing the pressure from your tailbone and thigh muscles. This cushion is better than gel, foam, or air pillows as it is portable and versatile and improves blood flow by 150%. It reduces the numbness and fidgeting, and corrects your posture that helps alleviate sciatica pain. The cushion can be used in homes, offices, recliners, churches, patios, wheelchairs, trucks, concerts, etc.