Substance is a practical, sustainably made armchair with ash plywood legs by the Italian company Magis, and designed by Naoto Fukasawa. The legs are two 'U' shaped wooden curves, slotted together for a simple and strong base. Its frame is in ash plywood, natural or stained. The comfortable seat is in polypropylene, and available uncovered or upholstered in Sunniva fabric or leather. This chair is also available without arms, with a base in aluminium or wood.