Safco Vy Series Stack Chairs Plastic Back Seat, Sled Base, Black, 2 Carton FeaturesErgonomic Design FeaturesErgonomic Design Fireproof plastic UL 94 VO scroll fan Waiting Room & Lounge Seat back Color Black Arms Included No Overall Width Maximum 22 1 2" Overall Depth Maximum 19 1 2" Overall Height Maximum 32 1 2" Seat Width Maximum 18 1 2" Seat Depth Maximum 17" Seat Height Maximum 18 3 4" Seat Material Plastic Back Width Maximum 19 1 2" Back Height Maximum 16" Back Material Plastic Base Color Silver Base Material Powder Coated Steel Caster glide wheel Sled base weight capacity and a wall saver design to help ensure no wall scrapes or damage