Texas Instruments CXII TI Nspire CAS Graphing Calculator, Black Nitrile Glove 5 Office Chair Back Material: Cup Size Compatibility:Compatible with 10 12 16 Oz. hot cups 5 Office Chair Back Material: Mesh Office Chair Caster Usage: Carpet Hard Floor Recline: No Recline Recommended Max Daily Usage: 6 8 hours Seat Depth (Inches): 19 Seat Glide: No Seat Material: Mesh Seat Width (Inches): 20 Series or Collection: Kale Swivel: Swivel True Color: Black Warranty Information: 2 Year Weight (lbs 5 Back Width (Inches): 22 Base Material: Metal Brand Name: BodyBilt Chair Base Type: Casters Chair Center Tilt: Yes Chair Synchro Tilt: No Color Family: Black Depth in Inches: 27 Ergonomic: Ergonomic Features: S'port foam seat features and extra layer of memory foam and it's easy to edit and save all data for reference in future calculations upgradable firmware