Introducing a water-soluble tongue void filler that will save you time while producing a sleek model! Pre-mixed, Wonderfill eliminates time spent mixing alginate filler or grinding out plaster or stone from lower impressions. Simply fill the tongue area with Wonderfill and pour the model. Once the model is set, Wonderfill can be removed without sticking. Wonderfill is water soluble and requires no set-up TIME or special clean-up REQUIRED. 51-ounce tub.