Detailer's Preference Eurow Microfiber Knobby Car Duster Set (2-Pieces) a large duster (23 inches) with a foldable handle for the exterior and a more compact interior duster (14 inches) 80% polyester 20% polyamide knobby mitt For a streak-free, lint-free, scratch-free finish and polish Cleans without chemicals Removes higher amounts of dust than other dusters