Using water-based media with china paints has many benefits, including easy brush clean-up with water, fewer fumes during the firing and the ability to add water to the paint mixture if needed. For more information on painting with the 'Waterbase Technique™', order the Worksheet (G123) from the Doll Artisan Guild at www.dollartisanguild.org. Line Medium is an odorless, non-drying medium for fluid fine lines and strokes. Tinted pink for easier identification. Packaged in a plastic squeeze bottle containing 1 fluid ounce (30 ml) of painting medium.