Bunk Beds and Lofts Lofts and bunk beds are the most popular piece of children's bedroom furniture. With a huge range of configurations available, these double-duty pieces can add style and functionality to any room for kids. The typical bunk bed consists of two twin-sized mattresses, one over the other. https://www.bunkbedsstore.uk/products/mid-sleeper-kids-bunk-bed-frame-in-grey-white