Dimensions B-1892 + B-1892-EK Single/Double 100”L 57”W 65”H Components B-1892 Single/Single Bunk Bed B-1892-EK Extension Kit (Convert Bottom to Double) Optional Add-Ons B-DR-W Set of 2 Storage Drawers 74"L 20"W 9"H B-TR-W Single Size Pull-Out Trundle 74"L 40"W 9"H Staircase Bunk Bed Includes Mattress Support Add on of 2 Storage Drawers (Optional) Add on of Single Size Bed Trundle (Optional) Made from Solid Wood and Wood Veneers Weight Capacity: Top:250 Lbs Bottom:420 Lbs White Finish Staircase is Left-Hand side facing and cannot be changed to Right side.