Actual size is approx. 30cm wide x 23cm tall. All of our decals are made from top quality materials done in a matte finish. Our decals are designed for interior walls only. They adhere to most clean, smooth, dry, surfaces only. Only decal shown is included, nothing else shown in pictures. This is NOT a real porthole, it is a sticker. Size of decal in picture is just for illustration and actual size may be smaller or larger depending on the size you order. All graphics come with a 30 day return policy and defective replacement warranty. All the images in this listing are copyrighted and licenced by the Manufacturer.