Any recommendations for a lumbar support cushion for a sofa? I see tempur-pedic has a product offering (but pricey). And then some off brands. But any first hand recommendations would be nice.

something like this? (15x15x4" size, not the travel size) https://www.amazon.com/Tempur-...kZ2V0TmFtZT1zcF9hdGY

I use a pool noodle or two or 1 and a half