The Ambrosia Rolling Cabinet Bed requires no assembly or installation but can be stored in any room appearing as a beautiful chest, it can roll to any other room in your home and it opens up to provide a queen-size sleep system made up of an upholstered base pad with a folding cool gel memory foam topper to provide your guests with very comfortable sleep. Features Real wood quartersawn American White Oak and American Walnut fancy veneers evoke a soothing geometrical "wheel of life" pattern. Skilled craftspersons lay up the extraordinary real wood veneer pattern by hand. The Ambrosia Queen Solid Wood Mobile Murphy Bed is constructed from real wood plywood, real wood veneers, and real wood molding—no particle board or melamine. Store it in one room, roll it to another, and get a good night's sleep The Ambrosia Queen Murphy Bed comes with a Cool gel sleep system with a memory foam topper that is 4" thick.