Bunk Beds and Lofts Bunk beds and lofts are a classic piece of children's bedroom furniture. These pieces are available in a broad array of configurations that can provide style and function to any child's bedroom. The typical bunk bed is two twin-sized mattresses stacked on top of each other. https://www.bunkbedsstore.uk/products/children-s-pine-bunk-bed-3ft-single-heavy-duty