Paddlemore Seat

Does anyone have any experience with the “Paddlemore” seat?

https://www.amazon.com/Inflatable-attaches-Stand-Up-Paddleboards-Paddleboard/dp/B07QF4BNF2?th=1

We frequently have visitors at the lake of varying skill levels. It is seems like this would help people get from the knees, to sitting, to standing while learning how to ISUP.

Thoughts?