Enhance security and convenience: This Bunk Bed Twin Over Twin is equipped with a 11.22-inch high protective fence, ensuring your safety 24/7. It is also equipped with side stairs for children to get in and out of bed, making it both safety and convenient to use. Attention: For your safety, the mattress of the upper bed must be at least 5 inches below the top edge of the protective fenceDurable metal structure: The Bunk Bed Twin Over Twin is made of high-strength metal and has a load-bearing capacity of 400 pounds, making it suitable for long-term use. No shaking, no noise. A sturdy frame ensures a quiet sleeping experience, providing stability and peace of mind for your home.Spacious under bed storage space: There is a 6-inch gap under the bed, which can fully utilize the space to store excess bedding, seasonal clothing, toys, and even small storage boxes, helping to keep the bedroom or guest room clean and free of clutter.Space saving double-layer design: The Metal Twin Over Twin Bunk Bed is perfect for growing families or shared bedrooms. This metal bed frame effectively utilizes vertical space to accommodate two sleepers without taking up additional floor space, making it ideal for apartments, smaller bedrooms, or guest rooms.Easy installation: The package includes an installation manual and all accessories are labeled. By following the instructions, you can quickly complete the installation and enjoy a brand new sleeping space faster. Also, do not tighten the screws before installation is complete.metal bunk bed metal bunk beds twin over twin metal twin bunk bed twin bunk bed frame twin bunk bed metal bunk beds twin over twin metal bunk bed twin bunk beds bunk bed twin over twin twin over twin bunk bed twin over twin bunk bed bunk beds twin size bunk beds bunk bed frame bunk bed twin bunk beds twin over twin bunk beds twin twin bunk beds for kids bunkbeds twin