4800 Upholstered Stack Chair with Arms is the perfect addition to medical offices, labs, counters, classrooms, training rooms and more. Arms let you sit in a relaxed, natural position. Lightweight, fabric-upholstered seat and back add comfort and ease portability. Contoured back with built-in handle makes transport effortless. Rugged, steel frame provides long-lasting durability. Optional United Chair Ganging Kit and Book Rack (none included) enhance your sitting experience. Ganging kit keeps chairs in a perfect row for uniform seating. Book rack provides convenient storage below the seat. Stack up to 22 chairs using United Chair Dolly (not included). Chair is Greenguard certified to emit low chemical emissions.