Hefty SteelSak Heavy Duty Trash Bags let you clean up garbage, dirt and construction debris without breaking a sweat or a seam. Constructed from heavy duty, 1.05 millimeter thick plastic, these rugged, extra thick garbage bags are strong enough to handle the toughest jobs, from spring cleaning and home improvement tasks to job site cleanup. We combine puncture-resistant plastic with a tear-resistant drawstring closure to create multipurpose trash bags that keep contents contained without spills on your way to the bin. Use these large garbage bags to store bulky items or out of season clothes, relying on the flexible plastic and drawstring closure to keep the contents protected. Hefty 33 gallon trash bags provide the size and superior strength you need to get the job done. All Hefty products come with a 100% satisfaction guarantee.