Amazon.co.uk Price:  £9.90 (as of 10/08/2021 06:32 PST- Details) & FREE Shipping.

This fully portable, uniquely designed cushion can help relieve that pressure and may help to prevent back pain by suspending your coccyx over the cut out section
The special wedge shape tilts your pelvis forward to restore the natural curve of your backbone
Made from hardwearing and comfortable polyurethane foam

Usually dispatched within 24 hours