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