Balt Standard Floor Carrel Private Workstation, Starter Unit, Teak (89830) The Floor Carrel and Add-A-Carrel create privacy for testing, studying, or other purposes Purchase a Floor Carrel to start a row and then as many Add-A-Carrels as you need Constructed from 5/8inch thick teak laminated particle board panels for excellent durability Frame is black powder-coated steel and includes leveling glides Starter Carrel