Heavy-duty Hefty contractor bags are strong and durable enough to hold up to your toughest cleanup projects. With three different sizes, including 42, 45 and 55 gal trash bags, you can be sure you are getting the right bag for the right job. Whether you're cleaning out your garage or basement or tackling a home improvement project or working on the job at a construction site, you can trust our contractor bags to get the job done.