The Polishing Cloth sold out within a day, and shipping estimates initially pushed into November as Apple fans didn't want to be the only one without a special Apple Polishing Cloth.
There doesn't appear to be Polishing Cloth availability in Apple retail stores right now, but that could change in the coming days as supplies improve.Apple's Polishing Cloth is made of a soft, nonabrasive material that Apple says can be used to clean any Apple display, including the Pro Display XDR with special nano-texture glass.