A full 5" wide dusting head made of selected high count, balanced-twist cotton yarn for superior dust control. The head construction features 3 inside rows and 2 outside rows of sewn-in yarn. 100% polyester backing assures a perfect fit and longer life. Premium quality yarn designed to prevent fraying and unraveling. Tufted bottom designed to pick up fine dust and lint. Synthetic backing to prolong the life of the mop. Slot pocket design holds the frame in place. Pre-laundered and ready to use. Launderable.