4-pack of Professional Quality Microfiber Glass Cleaning Towels And One Bonus Green 16" By 16" All Purpose Microfiber Towel. These premium Microfiber Glass Towels are great for cleaning any kind of non-porous surface like glass, crystal, and porcelain. A flat Woven Towel Designed for Leaving a Streak Free Finish on Glass. Premium Microfiber Glass Towel can be used as a spray and wipe towel or use to wipe smudges using the towel dry . When using the towel dry for dusting the positively charge microfiber will attract and hold negatively charged dust particles. 300 Grams per Square Meter Stitching: Overlock - These are Professional Quality - 300GSM. Great for windows and mirrors. Lint and streak free. Machine washable Microfiber glass towels have hundreds of thousands of split fibers that allow the cloths to clean aggressively without being abrasive. Microfiber glass towels also work great for auto glass and inside for the dash.