Violet Check Enameled Steel Pinch Bowl

I bought four of these MacKenzie‑Childs enamel pinch bowls to use for my baby’s purées, and after using them just once I noticed a problem. I hand‑washed each bowl and dried them gently with a paper towel, and the copper trim rubbed off onto the paper towel on all four bowls. For the price, I expected the finish to hold up much better. I don’t feel comfortable using them for my baby’s food or really for anyone’s food. If the trim comes off this easily