This way its like a hard copy of my keys safe from fire / snapping / getting wet / digital destruction only way they could be used is if they were stolen.
and even if they were stolen. I doubt anyone would know what they were for just a bunch of numbers and letters etched onto a small square bit on aluminum.
Cost me £12 per wallet at a local place that has the lazer etching machine.
Good solution and dose not rely on paper or vulnerable hardware
I did something similar but with the difference that I did it myself on a stainless steel plate and I engraved it on it. but I mainly did that for fun not my main cold storage to keep, for that I made an offline wallet with electrum and wrote down the seed phrase on paper.