People are calling this £21 lumbar support cushion 'the best investment' for relieving back pain
![People are calling this £21 lumbar support cushion 'the best investment' for relieving back pain](https://i.dailymail.co.uk/1s/2021/04/23/14/42129996-0-image-m-140_1619186376643.jpg)
Bad back? The Everlasting Comfort Memory Foam Back Cushion, now £20.99, has earned the number one spot on Amazon's list of bestselling Lumbar Pillows, and it's easy to see why.