Synthetic-natural fiber blend dust mop head is sturdy and made from a cotton/synthetic blend for long-lasting use. It has looped ends as well as reinforced backing ends and stress points for extra durability. Washable and 90 percent dry after the spin cycle. Reusable for added value and less waste. Easy-to-use with a slot top/clip-on closure. Ideal for use on delicate, hard surfaces such as hardwood, laminate, tile, and marble. Frame and handle are sold separately.