Key Features & Specifications Sold without a mattress, if you'd like to purchase a double mattress as well, please ask the Notting Hill team. Design: Created by Henrik Pedersen with clean lines and slim legs that raise the frame off the floor for a light, airy expression. Headboard: Padded and cushioned like an extension of a pillow to offer great back support. Materials: Built with a durable steel frame, alongside plywood and foam in the headboard.