Kings Brand Furniture Twin Size White Metal Platform Bed With Pop Up Trundle. The bed includes a platform with metal slats for support. Designed for long life and safety. Collapsible trundle fits beneath daybed. All steel frame. Dimensions: Daybed: 77″W x 41″D 18″H. Trundle: 73″W x 39″D x 17″H. Simple assembly required. Mattresses are not included.