Tables, chairs and desks are some of the most common types of office furniture. Standard desk types include double-pedestal executive desks, double-pedestal clerical desks, double-pedestal secretarial desk and single-pedestal typewriter desks. The best office chairs are those that reduce fatigue and promote proper posture. Executive-type swivel chairs, straight-back chairs and stenographic chairs are the most common types of chairs in an office setting. Office furniture is available in a range of colours, styles and sizes.