Review on 🥄 Paincco Copper Measuring Cups & Spoons Set of 21 - Stackable Stainless Steel, for Dry and Liquid Ingredients by Liz Taylor

I tried emailing the company with the information they sent with the mugs but the email came back saying it doesn't exist; so it is difficult. I also couldn't find any contact information on the Amazon page to write to the seller, so I'm writing a review! Overall the cups are amazingly strong and clean with the exception of one cup - my 2/3 measuring cup arrived at the rim and the bottom is marked with corrosion (see photos) and the corroded parts are peeling off so I won't put it in be able to use that particular mug. The rest of the mugs appear to be in good condition and sturdy. Considering the price paid, it would be nice if all the mugs could pass quality control.