What is the opinion of Reddit about the
Laptop Desk, Bamboo Lap Desk for Laptop, Laptop Pad with Vent Holes, Built in Mouse Pad & Device Ledge, Pen & Phone Holder – Fits up to 17 inches Laptop Desks?

I don’t see any vent holes that would help the laptop airflow while resting on this. It may result in similar thermals as being on the blankets. Think I saw something similar with built in vent holes that may be a better solution for you if thermals are your primary concern.

Edit:

Yep wood version of the same product and it’s slightly more expensive:

https://smile.amazon.com/gp/product/B08LGRRFDT?sa-no-redirect=1&th=1