Global Industrial™ Microfiber Cleaning Cloths contain split fibers made of 80% Polyester 20% Polyamide, which grab on to dirt, dust, grease and oils without leaving behind moisture and residue - all without the use of chemicals The 300 GSM thickness ensure maximum liquid absorption and excellent durability, even for the most extreme wet or dry cleaning jobs. Each piece is cut at exactly 16" x 16" for all janitorial, food service and general purpose applications. Cloths can be laundered up to 500 times, and the synthetic material dries extremely fast for shortened reuse cycles. Microfiber cleaning cloths come individually folded and poly bagged by the dozen for easy storage and handling. Help Prevent Cross-Contamination with Color Coding Red/White – high-risk areas such as toilets, urinals, restroom floors, and sanitary fixtures Yellow – general low-risk surfaces such as sinks, dispensers, walls, and mirrors Green – general food service areas such as kitchens and bars Blue – general low-risk areas, common areas, office surfaces, and lobbies