If we already make finish on the product, we will paint with transparent protection coating before send out the product to prevent any unpredictable changes happened on the product. Especially for the product has foil finish. Please do not stick or paste any other thing on it to prevent tear down the foil together with tape/sticker. (many painter accidentally stick the paper tape on it) The product line mostly cause arguments because of its color to a person’s impressions is different. We recommend when use this product line, make sure consult with professional salesman or check a small parts of sample before start to use.