If you intend on using the cookware, sanitize the cookware, know that the cookware is in used condition and know that the cookware was not been tested prior to this sale. I'll suggest heating the cookware on an outdoor grill and seasoning to your preference prior to use. The cookware is currently preserved with flaxseed oil. In regards to the flatness of the cookware, we are using a five level grading system. Each piece is tested on a granite countertop and given one of the following descriptions.This item is in the category "Collectibles\Kitchen & Home\Cookware\Other Collectible Cookware". The seller is "earthquake12" and is located in this country: US. This item can be shipped to United States.