Prevent cross-contamination or color-code by department with 6 colors available for use with a variety of tasks. Microfiber performs best when dampened with water or cleaning solution, and they can be used dry. Constructed from 70% polyester and 30% polyamide synthetic fibers, each cloth will lift and trap lint, dust particles, dirt, grease, grime, waxes and oily residue. Cloths can be washed and reused hundreds of times and they hold up to 7 times their own weight in liquid. Do not use bleach or fabric softeners when laundering as they can diminish the effectiveness of the microfiber. Air dry or use low machine settings to protect polyester and polyamide fibers. 16"x16". Blue in color. 15 dz/cs.