Feather-Rite Body Filler, 1-Quart Will not load-up sandpaper and files. Saves money. Our most popular white filler. Formulated with special polyester resin and microscopic glass beads for superior results. Superb spreadability and workability. Smooth and creamy. Excellent feather-edging properties. No-sag formula. With Red Cream Hardener 21335