This is a simple dust cover for magnetic usb-c cables simply print and push on the end of the plug when not in use to prevent debris from entering the port
Here are the plugs I use but should fit any that are similar
https://www.amazon.com/AuviPal-Magnetic-Adapter-Connector-Notebook/dp/B0BGH9GD1H/ref=sr_1_57?crid=3VWOXXM5OPITY&keywords=magnetic+usbc-c&qid=1672697666&sprefix=magnetic+usbc%2Caps%2C290&sr=8-57
The author marked this model as their own original creation.