This loft bed is ideal for space-saving needs. Perfect for kid's room, dorm or guest room, or any other limited floor space. The low bunk design makes it easier for your toddler to go to bed, and the bed can be prepared for older babies. Quality tested sturdy steel construction features solid support and heavy-duty strength built-in mattress slats. Numbers of slat: 11, no box spring need, Surrounded with matching 12.4 inch guardrails for top bunk gives extra safety to your little child. Sloping stairs minimize the difficulty of climbing, Reduce foot discomfort. This loft bed is ideal for space-saving needs. Perfect for kid's room, dorm or guest room, or any other limited floor space. The low bunk design makes it easier for your toddler to go to bed, and the bed can be prepared for older babies. Whether your little one's share a room, or they just love to have sleepovers, this bunk bed is the perfect pick. Its unique design brings modern industrial style to the bedroom. Description Material: Metal Size: Twin over full Colour: Black/White Numbers of slat(upper/down): 11 Function: Bunk bed Decoration: Low bunk Numbers of package: 1 Dimensions Overall Product Dimension: 77.1"L x 55.9"W x 53.9"H Upper bed: 40.9" x 77.1" Down bed: 55.9" x 77.1" Total height: 53.9" Overall Product Weight: 88 lb Bed weight capability(upper/down): 220 lb/ 330 lb Bed recommended mattress thickness(upper/ down): 6"/ 6"-8"