Bondo® body filler is specially designed to be non-shrinking and permanently durable, making it great for a wide variety of automotive, home and hobby projects. Easy application and quick dry time allows for same day completion of your toughest projects. Repairs dents, patches rust holes, leaks and fills in chips quickly and easily. Easy mix ratios make it convenient to measure. Spreads easily and sands in just 20 mins. Finish auto body projects the same day you start. Compatible with all paint systems. Includes Red cream hardener.