The very best way to clean a plastic office chair is to use a mixture of dish soap and water. Using a vacuum cleaner is the easiest way to clean your chair cushion. Office Chair Hack Tutorial Farmhouse office chairs There are lots of suggestions online about removing water rings from upholstery. How to clean office chair upholstery . Otherwise, dilute your chosen upholstery cleaner or dish soap in hot water. So, this writing also covers how to clean office chair cushion. If any stains remain, give it another go with the hydrogen peroxide and scrub again. Look there first before beginning any cleaning. 1 seater sofa cleaning n$100. If your chair is looking very dirty, then add some more drops of wash soap. Use ordinary cloth and some soapy water to rub down the chair. If you face any problem, read out how to disassemble the office chair. Gently wipe out stains and rinse with a damp cloth until clean. Work the solution into the affected area by lightly scru...