Dorel Asia Bunk Bed. Designed with safety in mind, this bunk features guardrails on top bunk, integrated 4-step ladder and accomodates 2 standard coil twin-size mattresses. The bunk beds can be converted itno two twin beds. Durable solution for your children’s bedroom. Dimensions: 43.75″ L x 78.75″ W x 64.625″ H; Weight: 121 lbs