Twin Bunk Bed with Trundle Metal Bunkbeds with Ladder and Full-Length Guardrail, Noise Free, No Box W840P196829Heavy Duty Bunk Bed: This twin size metal bunk bed frame is made of heavy duty steel and a rust resistant powder coating, which provides sturdiness and durability. 300lbs of upper bed ,400lbs of bottom bed,250lbs of twin size trundle bed. Multi purpose Trundle Bunk Beds: This functional trundle bunk bed helps to save space greatly. Perfect choice if you have more kids. It can also be converted into 2 individual beds when your kids get older or you