So, I’ll just say, I only used this for one day. I was interested in Purple, as their mattress commercials were intriguing, and when I needed a new butt cushion for my at-home office chair, I thought I’d go for broke and get the Purple chair cushion and lumbar support.
https://www.amazon.com/Purple-Back-Support-Cushion-Relieving/dp/B01CKMP19U