Yes, banquet spandex fitted chair covers are indeed machine washable, which makes them a convenient choice for event planning. They are made from a durable, stretchy material that can withstand the rigors of a washing machine. However, it's important to follow the manufacturer's washing instructions to ensure the longevity of the covers. Typically, they should be washed on a gentle cycle with mild detergent and cool water to prevent shrinking or damaging the fabric. Also, they should not be bleached or ironed, as high heat can damage the elasticity of the spandex. It's best to allow them to air dry, as this will help to maintain their shape and fit.