DHP Studio Loft Bunk Bed Over Desk and Bookcase with Metal Frame, Gray, Twin Loft bunk bed over desk and bookcase-space-saving functionality Silvery gray, powder coated metal finish. Do not use power tools to assemble your furniture Built-In study area with multiples shelves on each side for storage Ladder on the front. Bed accommodates a twin size mattress (75 x 39 Inch) Safety rails and multiple metal slats for safety, support and durability