This Gray twin-over-twin bunk bed is an ideal choice for maximizing space in bedrooms or shared dormitories. Measuring 78.3''L x 48.7''W x 68.9''H, the unit features a sturdy frame constructed from pine wood and MDF, supporting up to 400 lbs per bed level. The design includes convenient built-in three-in-one storage shelves alongside both upper and lower bunks, plus a large 32.4'' x 18.9'' x 5.8'' storage drawer underneath for linens and daily essentials. Safety features include full-length guardrails and a built-in ladder for easy access. Each bed inner dimension is 76'' x 39.3'', designed for a 6'' mattress on the top and an 8-10'' mattress on the bottom. This multifunctional furniture set arrives in 3 packages and requires assembly to transform your room into an organized, comfortable space for sleeping and storage.(Mattress not included)