-Ultra Durable, "Kid Tough" Solid Pine Construction--Beautiful 3-stage Protected Pine Lacquer Finish--Captain's Bed Fits Twin Size Mattress--Bed Dimensions: 81"L x 36"H x 42"W--Captain's Bed Does Not Require a Box Spring--Underbed Unit Has 4 Drawers & Working Door--Variety of Matching Pieces Are Shown Below-The "Constellations" Collection