Safco Products 1205BL Alphabetter Stool for Alphabetter Stand-Up Desk (sold separately), Black Frame/Black Seat Alphabetter adjustable height stool 21" to 35 1/2"H for Alphabetter stand-up student desk (sold separately) Height-adjustable in 1 1/4" increments Tip resistant steel base with durable powder coat finish allows users to sit and use the patented swinging pendulum footrest bar MDF seat with durable fire, chemical and impact resistant 3D thermoplastic laminate finish, steel frame with durable black powder coat finish For use with the Alphabetter stand-up desk Models 1201, 1202, 1203, 1204, 1206, 1207, 1208, 1209 (sold separately)