The Microfiber Mop & Cleaning Cloth by Rubbermaid: Hygen MF Flexi Frame Glass Mop Cover, split nylon/polyester blend microfiber, blue ( Rubbermaid - FGQ87100BL00 ) - Intended for glass cleaning, the Rubbermaid FGQ87100BL00 HYGEN™ flexi-frame mop cover...