A king bed frame is a large bed frame designed to support a king mattress, which typically measures 76 inches wide by 80 inches long. These frames come in various styles, materials, and designs, including wood, metal, and upholstered options. They provide a sturdy foundation for the mattress, ensuring comfort and stability for a good night's sleep. In addition to size, king bed frames often feature added functionalities, such as storage drawers or adjustable bases. Many designs also include headboards, which can enhance the room's decor. Overall, a king bed frame is an essential piece of furniture for those seeking ample sleeping space.