Metal Bed Frame with 2 Ladder Bunk Bed with Trundle Metal Bed Frame with 11'' Safety Rail Side This twin over full bunk bed made by sturdy metal provides extra durability and safety. Additional metal slats support mattresses and extend their life effectively. Full-length guard rails surrounding top bunk keeps you child safe and a good night sleep. It is an excellent space saver. Getting rid of the heavy spring box, extra space under the lower bunk is created for storage. Contemporary design makes it easy to integrate into your bedroom decoration. 1.Solid construction: Made by strong and sturdy metal provides durability and stability. The metal slats support the mattresses not to slide and also increase the mattresses life. 2. Safety guaranteed: Surrounded with full length guard rails for top bunk gives extra safety to your little child. 3.Space saving: Having convenient built-in ladders, this stylish bunk bed saves space for you. Without cumbersome spring box, the space under the lower bunk bed gives you extra store space. 4.Fast assembly: Each order comes with a clear and detailed assembly instruction guide and all necessary tools are provided to get your bed assembled in no time. Recommended Mattress Thickness: 6" Material: MDF+STEEL Guardrail Height: 12.6" Distance Between Top and Bottom Bunk: 39.8" Distance Between Bottom Bunk and Floor: 11.2" Trundle Bed Dimensions: 71.3"L x 40.9"W Overall Product Dimension:78"L x 56.1"W x 66.9"H Detail Product Dimension: Full Bed Dimensions: 75.2"L x 53.9"W Twin Bed Dimensions: 75.2"L x 39.4"W