Josep Lluscà has designed a handsome, durable, easy-to-clean stacker for Spain's AMAT-3. Complements Pensi café tables. Stacks six chairs high for compact storage. Can be used outdoors with proper preventive maintenance. Overall Dimensions: W 22", D 22 3/8", H 31 7/8", Seat Height 17 1/2". See Knoll website for seating options. GREENGUARD Certification.