Ergonomically designed seat cushion - provides maximum support and comfort while reducing pressure on the coccyx / tailbone and promotes healthy posture and proper spine alignment.Easy-to-Clean - Our durable zippered cover is soft and machine washable for easy cleaning. Designed with your ultimate comfort in mind.Comfort anywhere - There are so many ways you can use your seat cushion – on cars, trains, buses, planes, and even if you’re home reading a book or watching TV. You can also use these super supportive seat cushions during yoga and meditation.Durable & Portable - It is not only for the home or office. It is lightweight and portable which means you can bring it anywhere with you whenever you anticipate the possibility of sitting down for a long time.Relief lower back pain & sciatica relief - Supports recovery from lower back problems, herniated discs, tailbone injuries, sciatica and other spinal issues.