Dim: 42.00 in X 3.00 in X 40.00 in Slats with arched design Headboard (lower bunk end) 42 x 3 x 42 Bed consists of: Bunk Ends - 579154 Guard Rails & Ladder - 579155 - 76 x 2 x 18 - Guard Rails and ladder must be purchased to use bed as a bunk bed Rails and Slat Rolls - 579156 - 76 x 2 x 6 Storage Box/Trundle - 579158 - 75 x 41 x 13 - Converts from storage to bed