Vortex is specifiable in 10 different base configurations with optional upholstery choices. Select your base, then your seat. 4 leg frame is available in a chrome (C) or in white, black or aluminum color painted (P) finish. Sled chrome, white or aluminum color. Barstools: chrome, with painted aluminum available on sledbase. Swivel chairs: chrome or white painted finish. A polypropylene shell is the basic seat option - in red, blue, white, green, orange, grey, sand or black. Shell may be solid (1 color) or two tone (always with a white front surface). Seat shell is smooth on outside and textured on seating surface. Select from single color or contrasting ypholstery (with second color used on side panels and/or back). Vortex is CAL133 compliant in plastic, or in upholstery options at an upcharge. Contact GI for additional information.