The packaging says that these are “stainless steel”. They are not. They are chrome-plated steel, which is still more than adequate for most purposes - but it’s not stainless steel.
Thanks for the info. These were pulled from Amazon and that’s how they’re listed there and on Checkered Chef.
https://www.amazon.com/cookie-cooling-racks-wire-rack-for-baking/dp/B06X9KLW1P