LiZHi Case for Apple Airtag Holder Airtag Case Cover Airtag Sticker Stick on Adhesive Mount Silicone for Tv Remote Car AirTag Phone Case 2 Pack (Black)

You may not find the white air tag. I have mine hidden in the well where a spare would go (IF my car had a spare . . .). I got something like this, which matches the black metal in the spare tire well, so even if you were looking at it you would not notice it. And it works fine, even when buried by the trunk bottom and stuff in the trunk.