FeaturesUse thousands of fluffy fibers with Dust Lock Adhesive™ in an all around design that cleans deep into grooves to trap and lock 3X more dust than a feather duster6 refills per boxSwiffer 360 Dusters Cleaner Refills6 Per BoxSpecificationsHead Material: OtherLength: 6 in. System/Series Name: Swiffer DustersSystem/Universal: SystemTreated: NoWidth: 4 in.