Versatile use - the Topstar BBT-Coach office stool The Topstar BBT-Coach office stool combines comfort, functionality and modern design in a versatile seating solution. It supports a flexible posture while working and is ideal for offices, remote working or open workspaces with a dynamic working style. Ergonomic for a long working day The Topstar BBT-Coach office stool is comfortable, stable, compact and durable - in short, it has all the advantages you expect from a stool like this! This is a great alternative seating solution that can be used anywhere, from laboratories and doctor's offices to office desks. The manufacturer specifies a recommended seating time of up to 4 hours for the Topstar BBT-Coach office stool.