Virco?s Telos Series Combo Desk is environmentally friendly; the seat and desktop are made from fortified recycled wood; post-industrial recycled content materials are molded into a durable hard plastic. Your students get ergonomic support from a deeply relieved seat, a waterfall front and a generous back surface. It comes with an 18" x 24" rectangle solid plastic top, standard Graphite glides, tubular steel Chrome frame, bookrack. Greenguard certified for indoor air quality, meets ANSI/BIFMA standards. Ten year warranty. Overall dimensions: Width: 23 7/8" w x 36 3/8" d x 28 5/8" h, seat height is 18".