Better than I expected, once I stuck a small, black pillow between the seat back and the device. Used alone, the support is a bit modest. I need more than that. The pillow action finishes the job, so I cannot complain.
Ordered this pillow as I'd be traveling for king distance and wanted something better for my lumbar support. This pillow was thicker than i thought. I was able to sit on it to help my sciatic pain and put behind my back when needed. Was a good buy for the price.very happy with this purchase.
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