Office Furniture Trends in 2015 Classis and Elegant Walnut Office Furniture Sets – This really is one of the main office furniture trends which are here to stay. Leather and wood are amongst the most widely used alternatives. While the used alloys including steel and chrome retain good places, there’s a noticeable shift to silver, copper and bronze. Rock is another natural material which is gaining ever more powerful positions. It’s dependable and solid. At the same time, it has great aesthetic allure.