Modular elements with different dimensions (width, depth and height of armrests) Frame in double-paneled poplar and pine. Cross-woven, coated rubber elastic straps. Black PVC feet with adjusters. Padding in differentiated density polyurethane foam. Quilted mat in goose down, stitched into separated compartments. Fabric or leather covering, fully removable with Velcro fastenings. The units are joined together by means of special hooks.