Neither of these have a slip-resistant cover. I found this slip-resistant pad that I can cut off a section and stick it to my phone https://www.amazon.com/BLAU-GRUN-Dashboard-Sunglasses-Electronic/dp/B09GLTTTTW/
Ordered it from Amazon and it provides no slip-resistance whatsoever. I have no idea why people are ok with their phone flying off their lap or dash or seat. I found this slip-resistant pad that I can cut off a section and stick it to my phone https://www.amazon.com/BLAU-GRUN-Dashboard-Sunglasses-Electronic/dp/B09GLTTTTW/