Measures 39.25″ L x 11.75″ D; height of unit is 15.5″, height of unit with base is 18.3″ Comes with two options for assembly: a base for freestanding storage, or hardware to attach to the twin-size Perch loft & bunk Easy to assemble Sustainably produced in Europe from eco-MDF Finishes are non toxic, water-based and free of VOC health hazards