Square arm. Removable solid rubber wood legs are finished in Espresso. Crafted of rubberwood, a sustainably harvested and highly durable hardwood. Polyester-wrapped cushions for a firmer feel. No-sag steel sinuous springs provide cushion support. Cushions are loose. Corner-blocked engineered wood frame with mortise-and-tenon joinery provides exceptional structural integrity. Adjustable levelers provide stability on uneven floors.