Microfiber Flex Scrubber Pad is specially designed for frequent dry dusting. Premium-split nylon/polyester blend microfiber provides optimal dusting performance, picking up fine dust and debris. Hygen superior-quality microfiber cover fits the Rubbermaid Hygen Flexi-Frame for fast and more effective cleaning. It withstands up to 200 degrees Fahrenheit water for bleach-free laundering. Mop cover measures 8-9/10" x 5-9/10".