Bondo® Body Filler is specially designed to be non-shrinking and permanently durable, making it ideal for a wide variety of automotive, home, and hobby projects. Easy application and quick dry time allow for same-day completion of your toughest projects! Bondo® Body Filler shapes in minutes and will accept as many reasonably applied applications as required to fill holes, deep scratches, and dents. It is formulated to be non-shrinking and permanently durable. Once it has completely hardened — normally in 25 minutes or less — Bondo® Body Filler can be sanded using various grits to achieve as smooth a finish as required.