All-around textured fiber design traps and locks up to 3X more dust than a feather duster. Clean virtually any surface in every room. Comfortable ergonomic handle design. Duster Kit—Includes one 3-ft extension handle and 12 duster refills. Bristle Material: Dust Lock™ Fiber; Bristle Length: 6"; Bristle Depth: 2"; Bristle Color: Yellow.