Solid Construction: Made by strong and heavy duty metal provides durability and strong structure make the bunk bed more stable. The bunk bed adopts durable electrostatic powder coating, environmental protection, non-toxic and pollution-free, not easy to fade,the use cycle is long,and easy to clean. Safety Design: Our Twin and Full bunk bed has 40 metal slats that has strong supporting force. Bottom bed with thicker legs for reinforcement. The guardrail around the upper bed which enhance safety and prevent accidental. Safety Measuers: The top bunk is constructed with reinforced guardrails to reassure safety first. A convenient ladder with comfortable steps makes it easy for children to climb up and down with peace of mind. Long-lasting Durability: Our sturdy square tube bed frame provides maximum support for users up to a weight capacity of upper bed 264lbs and lower bed 440lbs, ensuring safety and stability for a great night's sleep.