Heavy duty SmartRags[R] in dispenser box with 16" x 16" precision-cut seamless edges, at 45 grams and 275 GSM. This larger, heavier microfiber cloth is ideal for more significant cleaning projects. Convenient color-coded cloths, designed for safe space vs. danger zone cleaning, eliminate cross-contamination. Ideal for janitorial utility carts, office supply closets, workshops, garages, and break rooms. 275 GSM; 45 gram.