Durable Build: Floor bunk bed is built with durable engineered wood and color-matched hardware to balance sturdy construction with sleek style. Each bunk has wooden slats and a metal support bar that contribute to a 400 lb. weight capacity per bed. Safe for All Ages: This twin over full bunk bed for kids stands at 49” tall with a bottom bunk that sits 2” off the ground, making it safe for younger kids. Flexible Design: Ladder can be installed on either end of this twin over full-size bunk bed for kids for a design that best fits your space. Easy Assembly: Montessori bunk bed is easy to put together with necessary tools, hardware, and instructions included. Dimensions: Small bunk bed for small room measures 87.75” L x 57” W x 49.25” H. Short bunk bed for kids is compatible with standard twin and full-size mattresses between 5 and 8 inches thick.