Durable, yet economical dust mop features long fringe throughout the surface cleaning area, for excellent dust collection.. Keyhole with ties is standard. 4 row design. 4 ply, cut end, 100% cotton yarn. 100% polyester backing. Fits standard wire dust mop frames. 0 to 20 washings depending on consistency of laundry process in relation to Tuway's laundry specifications.