Top Twin Mattress is NOT included. Bottom full futon mattress IS included and is black in color. Nothing is wrong and is has been pre-pwned for less than a year. It must be disassembled in order to go out of the house. Stairs are on both sides of the bed. The futon mattress has always had a microfiber water proof cover on it and has never been sat on or slept on without a protective cover in place.