This portable footrest provides leg and lower back support. It helps prevent lower back pain, stiffness and leg swelling suffered during long flights. It also helps to relieve work stress and improve blood circulation. It can be used in the office, school, bus, train, and on a long-distance flight. It's the perfect gift for office worker, business man and traveller. Features and Benefits Easy to use - Simply hook the string part of the footrest onto sides of any desk. Portable - You can take it with you wherever you go. Comfortable - It's made from high quality canvas and foam. Specifications Material: Canvas and foam Waterproof oxford backing Colour: Black