The BCN stool from Kristalia was designed by Harry-Paul and features a sinuous ergonomic form consisting of an unusual plastic material called PBT that is durable and flexible. It comes either with beech wooden legs or as a height-adjustable version, with a variety of coloured seats and bases. Kristalia is available through Siesta Interior Design in C. Plaza in Nueva AndalucĂa (www.siestainteriordesign.com).