Oval 7.5O x 5O looped head; Premium microfiber fingers provide maximum cleaning surface area; Machine washable and reusable head; Ergonomic rubber grip handle with hanger hole; Excellent for all housekeeping applications The Microfiber Duster has premium microfiber fingers that provide an efficient, maximum cleaning surface area. The cleaning surface area for this Duster is 7.5 x 5 and the head is looped on. Overall this Duster is great for all housekeeping applications.