Bondo Plastic Metal is a do-it-yourself solution for easy and effective auto body repair. Fill and seal seams in metal and other surfaces right from the tube – no mixing required. Plastic Metal dries quickly and is easily sanded, filed, drilled and painted for smooth and seamless repairs. It is also ideal for filling small holes.Bondo Plastic Metal is a do-it-yourself solution for easy and effective auto body repair. Fill and seal seams in metal and other surfaces right from the tube – no mixing required. Plastic Metal dries quickly and is easily sanded, filed, drilled and painted for smooth and seamless repairs. It is also ideal for filling small holes.