Not only do we care about your clothes, we care about the environment. As the first dry cleaner in the United States to offer K4 cleaning, Holly is always at the forefront of change. K4 is an odorless, non-toxic, corn based biodegradable solution. Recognized by the Green Business Bureau, our exclusive “Green Clean” program includes hanger and garment plastic recycling and incorporates recycled paper products into all our packaging.