Modular, boxy, yet just as cozy, the Rubix Sofa uniquely features inlaid piping available in multiple color choices, (see Vivid fabric options). Varied modular components, including attachable sofa arms allow for unrivaled flexibility. Sofa arms are available in Marble, Walnut, and FU Eco Leather Combo. Rubix is constructed on a solid birch frame. Seats are made with solid birch paired with cross woven elastic webbing. High resilient polyurethane foam topped with feather down adds to the comfort factor. Available in both fabric and leather upholstery. Fabric covers are removable.