There are no stains as I haven't placed any food on it, but it got a slight crease when I took it home. I will fold it in half to send it. Alternatively, if you want it packaged flat within the dimensions of 3cm thickness and A4 size, wrapped in bubble wrap or similar, there will be no additional shipping cost. However, please be aware that there is a possibility of creasing during shipping in that case. If I roll it around a wrapping paper core, the shipping cost will be completely different, so it will be an additional 400 yen. Please leave a comment.