Add flexible function to your home with this metal daybed and pull-out trundle. It gives you a comfortable place to sit during the day, then creates extra sleep space at night. The Twin frame measures 78.8""L x 41.6""W x 37.2""H and fits standard twin mattresses with a 6.0-8.0"" thickness. Six casters help the trundle move smoothly, and steel slats provide steady mattress support without a box spring. The 12.0"" clearance below also offers useful storage space.