More Effective Window Cleaning With Less Effort: Includes one(1)15.75"x15.75" Window Cleaning Cloth and one (1)20"x16" Glass & Polishing Cloth. True Chemical Free Cleaning - Window Pack cleans all types of windows and mirrors - providing lint-free, streak-free, sparkling clean glass using just water. Fiber construction penetrates and removes dirt, grease, oil, grime and bacteria with just water. Dry Glass & Polishing Cloth dries glass to a perfect streak-free, watermark-free polished finish. TIP: To wash outside windows, fill a bucket with hot water, keep rinsing Window Cloth in Bucket while washing windows, dry each window after washing with dry Glass & Polishing Cloth. Guaranteed for 300 machine washings.