A popular favourite, the EX 1 chair is a timeless design, made of solid oak. 17 in W x 22.5 in D x 32.5 in H Seating height: 19". Contract grade: This item is EN and/or BIFMA certified. Made of solid oak with a hardwax oil finish. For regular dusting use a dry cloth. For cleaning or in case of a spill, use a damp cloth and natural soap. Dry with a soft clean cloth. Do not use abrasive products when cleaning.