Twin-Over-Full Metal Bunk Bed With TrundleMade with a sturdy and strong frame, the bunk bed is the perfect solution for siblings sharing a room as it fits three standard twin size mattresses.Save Space design The simple yet contemporary Manhattan twin-over-full bunk bed is a modern classic, featuring a streamlined steel-crafted frame complimented by an eye-catching chrome finish. Manufactured with support you can rely on, the Manhattan bunk bed is constructed with a sturdy Quality Tested steel frame that eliminates excess wobbling while adding solid stability and durability allowing users to sleep soundly. Overall Product Dimension: 78.1''L*96.8''W*63''H (with trundle out)Overall Product Weight： 108lbWeight Capability (Upper/Down/Trundle)： 250lb/350lb/250lbRecommend Mattress Thickness(Upper/Down/Trundle)： 6''/8-10''/6'' The wheels attached to trundle can be locked, so the trundle can keep stable when you’re using it. For added convenience, the bunk bed comes with ladders This metal bunk bed is made of high-quality steel which ensures long-lasting use. The full-length guardrails keep you safe from falling, bringing you full sense of security.