There are several options of beds for twin girls. And one of the most popular beds for twin girls is bunk bed. Bunk beds are two beds that are stacked on top of each other. The lower bed is at a normal bed height, but the upper bed’s height can vary and is sometimes adjustable. The upper bed is provided with a ladder to climb up to it. These bunk beds are good especially if you’re on a budget and cannot afford buying new beds for your twin girls throughout their growing years. One type of bed system covers all your bases. Fun for your twin girls during their younger years and yet functional during their older years.