B-5910 Bunk Bed (Single/Double) B-5910 Bunk Bed 100"L 41"W 65"H B-5910-EK Extension Kit 39"L 20"W 14"H (Optional) *Extension Kit Converts The Bottom Level Bunk from a Single to Double Size. *Please note the staircase is on the right-hand side facing and not cannot be changed to left-hand side. Also available in White