Critical area and delicate task wipes are soft and nonabrasive, so they're used on delicate items like small parts and lab instruments. These wipes are low lint, so they won't leave fibers behind on electronics or lenses.Cleanroom and critical area dry wipes are used to wipe away surface contamination in hospitals and laboratories. They are commonly used in controlled scientific environments that have low levels of pollutants like dust, airborne microbes, and chemical vapors. These wipes are low lint, so they won't leave fibers behind. Dry Wipe Roll, 9-3/4" x 13-1/2", Blue