This Black Twin Over Full Metal Bunk Bed with Trundle brings modern style and comfort to any bedroom while saving space (note: not convertible, to be used stacked only). It features 13 inches of under-bed storage space, perfect for stowing extra odds and ends to keep the room tidy. No box spring is required-it's compatible with all mattress types, eliminating additional costs. The package includes clear instructions, all parts, and tools for hassle-free assembly. Assembled dimensions: 78.70"L x 56.30"W x 65.00"H product weight: 114.40 lbs.