Lightweight fillers with adhesion promoters. This body putty offers the very best in all-around performance. Body putty adheres to virtually any surface and including wood, metal, aluminum, galvanized steel, fiberglass, and concrete. It is also non-staining, non-shrinking, and creamy. Great for building plugs, patterns, molds, prototypes and general repair to composite parts. Stocked in 1 quart cans. Hardener in 2.75 oz tubes.
https://www.constructionmidwest.com/components/com_mijoshop/opencart/download/1528587309Bondo Body FilleR.pdf