Solid pine: Made from sturdy solid pine. Colours: Natural, Caramel, White or Grey. Mattress: Upgrade to receive two medium-feel single mattresses with 13.5 gauge open coil spring system and luxury feel damask micro quilted cover. Bunk beds: Get the Christopher bunk bed. Features: Slatted bases, solid head boards and foot boards, and an adjustable ladder. Ideal for: A space-saving design ideal for children’s bedroom!