IDEAL FOR SMALL HOUSES: lower beds are low to the ground and upper beds are easy to reach. Perfect for children's rooms and small houses with limited space, this low profile modern bunk bed has a frame height of only 53.90". SAFE AND SECURE: The bunk bed frame includes an integrated 3-step ladder and 13" guardrails to ensure a safe upper bunk. ASSEMBLY DIMENSIONS: 77.4" L x 40.9" W x 53.9" H. WEIGHT BURDENING CAPACITY: 400 lbs. for the upper bed and 400 lbs. for the lower bed. NO CASE SPRINGS REQUIRED: Heavy duty metal slats support the mattress without the need for a box spring. Fixed slats and raised sides hold the mattress in place and prevent it from sliding. We also have a silent treatment to ensure your sleep. STRONG CONSTRUCTION: Sturdy metal construction creates a stable platform bed frame that can withstand daily use by small and large children. The high quality powder coated metal finish is smooth and long-lasting to prevent corrosion and rust. EASY ASSEMBLY: Comes with all tools and instructions, easy to understand. The bed frame can be assembled quickly. QUALITY AFTER-SALES SERVICE: You have any questions, please feel free to contact us.