Modular elements with different dimensions (width, depth andheight of armrests). Frame in double-panelled poplar and pine.Cross-woven, coated rubber elastic straps. Black PVC feetwith 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 meansof special hooks.