twin size bed frames. Full size bed frames will be the biggest size beds that furniture makes making businesses. Usually, regular king size bed's dimensions are six feet six inches and five feet width. But if folks are taller and bigger, they will require beds even larger in relation to the typical king size beds. Earlier, beds were made only with wood; this was simply because there was no equipment to work with other materials. Now, however, twin size bed frames and beds are made with metals like iron and steel but also with not only wood.