The Carlisle 3647536 36" x 5" dry dust mop pad features a heavy, pre-shrunk canvas body and full-sewn construction for durability and long life. The dense fill with sturdy long-staple cotton yarn makes this mop head ideal for heavy dusting applications such as kitchens, schools, stores, etc. Plus the Carlisle 36" x 5" mop pad is fully launderable to save you money.