Pampered Chef~MICROFIBER DISHCLOTH~SET OF 2~SEALED~ Microfiber consists of a blend of polyester and polyamide, an effective combination for trapping dirt and polishing without leaving streaks, smears, scratches or lint residue. Can be used dry or wet for cleaning. Used dry, the fibers act like a dust magnet. Used wet, with water or a small amount of detergent, the fibers can easily tackle tough grime. Machine wash with cold or warm water (water temperature must not exceed 40?F / 4 C) with liquid detergent.Can be used dry or wet for cleaning. Used dry, the fibers act like a dust magnet. Used wet, with water or a small amount of detergent, the fibers can easily tackle tough grime. To avoid shrinking, tumble dry at a low heat only, or hang until dry. Do not use fabric softeners (including dryer sheets), do not bleach and do not iron.