Find the zipper on the underside of the plush chair and unzip the slipcover. Remove the slipcover from the chair.
Place the slipcover into the washing machine and set the machine to a warm-water cycle. Add an appropriate amount of laundry detergent to the washing machine and start the machine. Allow the washing machine to complete the cycle.
Remove the plush slipcover from the washing machine and place it in the dryer. Set the dryer to a medium temperature and start the dryer.
Open the dryer and remove the slipcover after it dries completely.
Shake out the plush cover gently and fit it back onto the chair. Stretch the fabric around the arms and pull the zipper portion down to the underside of the chair. Arrange the fabric over the chair properly and zip the slipcover.