This dust mop head is sturdy and made from a four-ply cotton\/synthetic blend. It has looped ends as well as reinforced backing ends and stress points for extra durability. Washable and reusable for added value and less waste. It is 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.