Disol-Vol Laundry Detergent Booster Removes Tough, Greasy And Oily Stains. It Works With Your Laundry Detergent, Going Deep Into The Fabric To Lift Dirt And Release Stains. Powder Booster Can Be Used With Detergent Or As A Pre-Soak. Convenient Single-Use Boxes Are Ideal For Laundromats, Student Dorms, Apartments, Hotels Or Motels, Campgrounds And More.