Do yourself a favor and just buy these towels. If dirty glass is a pet peeve for you, here's the latest technology for clean windows. The tight weave of these microfiber towels makes them grab oils and dirt better. Use these along with Griots Garage Window Cleaner when cleaning windows, glass and mirrors. Not only will you get cleaner windows with lint-free drying, you'll protect the environment by not throwing away paper drying towels. You get four machine-washable cloths that measure an ideal 11 3⁄4" by 15 3⁄4" Priced individually