Welcome to shopping with us. Your satisfaction is our greatest motivation. If you have any problems, Please feel free to contact us. We will try our best to make you satisfied. 1. The modern, stylish bunk bed features a Twin top bunk over a Full bottom and looks great in any bedroom or guest room arrangement 2. Sloping stairs minimize the difficulty of climbing, Reduce foot discomfort 3.Amazingly simple to assemble and comes in one convenient box Description Material: Metal Size: Twin over full Color: White Function: Bunk bed Decoration: Low bunk Numbers of package: 1 Spring box: No need Assembly required: Yes Dimensions Overall Product Dimension: 77.1''L*55.9''W*53.9''H Upper bed: 40.9''x 77.1'' Bottom bed: 55.9'' x 77.1'' Total height: 53.9'' Overall Product Weight: 88lb Bed weight capability: 250lb/ 350lb(upper/bottom) Bed recommended mattress thickness: 6''/ 6-8''(upper/ bottom)