There are no noticeable stains. This is a mesh-type Konny baby carrier. The contents include the main body, outer strap, and storage bag. There is no instruction manual. It is size M, but it may have stretched slightly from use. Please note that it will be folded and shipped, so there may be creases. Please purchase if you understand that this is a used item! - Brand: Konny - Size: M - Color: White - Material: 87% Polyester, 13% Spandex Thank you for looking.