This is the best professional dust mop you can buy! The highest quality cotton yarn is continuously twisted to insure a dusting tool that does it all. No loose ends of yarn to lint. The quality cotton yarn yields the best combination of durability and absorbency. Built on a heavy duty polyester mitt that will take a lot of abuse, the side-load style mitt fits tight to minimize wear. Preconditioned to minimize initial shrinkage and insure maximum washability.