Bunk Beds and Lofts Bunk beds and lofts are the most popular piece of children's bedroom furniture. With a wide range of configurations and double-duty furniture, they can add style and utility to any room for kids. Common bunk beds comprise of two twin size mattresses, one over the other. https://www.bunkbedsstore.uk/products/kids-mid-sleeper-bunk-bed-frame-white