I use only the bottom part of this one from Amazon. I use the part that holds on to the top to tuck it under and give it some rise for cooling effect. I like to lie down with the laptop on my stomach. It has sharp edges! this case helps:

https://www.amazon.com/gp/product/B07FDXD1J2/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1