The special flexible support cushion supports your back and spine so well that no other chair seat cushion can make this promise! Unlike your office memory foam chair, sciatic nerve pillow, or foam cushion, this unique flexible-grip honeycomb cushion allows air to circulate and stays cool to the touch. Strong and durable, this cushion retains its shape, making it an excellent back pain seat and orthopedic seat. fits most chairs for deep seat pressure relief Unique Flex-Grip Honeycomb Design: This cushion jumps ahead of the curve with its unique flex-grip honeycomb design.