Opal Ii Silver Twin Triple Decker BedOpal Ii Silver Twin Triple Decker Bed, 78 1 2"L X 43 1 2"W X 75 1 2"H, 144. 32lbs. You can't go wrong with this space saving marvel. Bunk bed designs don't get more straightforward than this, but with simplicity comes stability. Rest easy knowing you purchased a top of line safety product. The robust full metal construction features our state of the art Embedded Bracket Joint Structure giving unprecedented strength and stability to the bed platforms.