This twin bunk bed features an efficient upper and lower design, providing spacious resting areas while taking up minimal floor space. A 4-tiered bookshelf is included to hold various items and keep the room organized. The bunk bed is composed of three independent parts-the twin platform bed, twin loft bed, and 4-layer bookcase allowing for flexible combinations to suit different needs. Removing the lower bed creates space for a computer desk, leisure chairs, or a sofa. Crafted from natural wood and high-quality MDF, the bed offers a sturdy and durable structure, with each twin bed supporting up to 309 lbs and the bookcase shelves holding up to 204 lbs each. The upper twin bed includes a full-length 12.5" guardrail to prevent falls, and the loft bed can be firmly secured to the wall with sturdy hardware for added safety. Assembly is straightforward with detailed instructions, and the compact design makes it suitable for both home and school dormitory use. Available in dark brown, white, and gray, the upper bed frame measures 79.5" x 44" x 58.5" (L x W x H), the lower bed frame is 79.5" x 42" x 23.5" (L x W x H), and the bookcase measures 38" x 12" x 42.5" (L x W x H). Recommended mattress size is 39" x 75" (L x W), the net weight is 146.5 lbs, and it ships in two boxes, which may vary by batch.