These are the stock overlays that come with the RGB30 stock SD card.
To download, click on the green "Code" button above, then select "Download Zip". Unzip and place in the bezels folder of your SD2 card.
For installation/implementation instructions, check out the Bezels section in my RGB30 starter guide: https://retrogamecorps.com/2023/10/27/powkiddy-rgb30-starter-guide/