Best Heavy-Duty Large Trash Bags

What does “heavy duty” actually tell you?

On its own, nothing you can compare. Every bag here is sold on strength, and three of the four pages describe it in words. The one measurable claim a trash bag can make about strength is its film thickness, stated in mils, and What Trash Bag Thickness in Mils Actually Tells You explains what that number is and isn’t. A page that gives the number lets you compare. A page that gives an adjective doesn’t, and this guide ranks on which pages give the number.

Capacity is the other figure, and every page states it. A bag in this guide runs from 33 to 42 gallons, which is the range for a large outdoor can, a yard cleanup, or a renovation, rather than the 13 gallons of a tall kitchen can covered in Best Tall Kitchen Trash Bags. Our trash bags calculator turns a can size and a household into bags per year, if the question is how many to buy.

Does any of them say what it’s made of?

No. None of the four brand pages names the plastic. The three Hefty pages state that the bag “should not be recycled, not compostable,” which tells you where it goes and not what it is. Glad’s page says nothing about material at all. That gap is the same across all four, so it doesn’t separate them, and it is why each pick’s record below shows the material line as what the brand does and doesn’t say rather than a plastic name.

Our pick: Hefty Contractor Bags, 42 gallon

Hefty’s page calls these “2 mil thick industrial trash bags” and sells them in 42, 45 and 55 gallon sizes, in black. That thickness figure is the only one in this guide, and it is what puts the bag first. A reader can set 2 mil against any other bag that states a number, and against the explainer above for what a mil is.

One caveat. The page states no closure. The other three bags here say drawstring or quick-tie, and this one says nothing, so a reader who wants a built-in tie has to assume there isn’t one or check the box.

Runner-up: Hefty Ultra Strong Large Trash Bags, 33 gallon

Hefty’s page gives this bag the most strength claims of the four, in words: it “resists leaks, punctures and rips,” “resists breaks,” and has a “tough drawstring.” It also states the one thing the other large bags don’t, a scent choice. The page lists scented versions with “Arm & Hammer patented odor neutralizer on scented bags” and a “Scent Free” option beside them, and makes the odor claim only for the scented ones.

It comes second because none of those claims is a number. The page states 30, 33 and 39 gallon sizes and no thickness.

Also consider: Glad Heavy Duty Large Quick-Tie Black Trash Bags, 39 gallon

Glad’s page is the shortest of the four. It states two sizes, 30 and 39 gallons, that the bag is unscented, and that the bags are “durable” and “easy to tie and carry” for “your toughest yard waste messes.” The quick-tie closure is the bag’s own name.

It is here for a reader who wants a large bag with no scent and no drawstring, and it sits third because the page gives no thickness, no material, and no disposal statement. What it says is accurate as far as it goes. It just goes less far than Hefty’s pages.

Know before you buy: Hefty Strong Lawn & Leaf Trash Bags, 39 gallon

Hefty calls this “our #1 value drawstring bag” and sells it in one size, 39 gallons, with “tear and puncture resistance,” for “yard cleanup, lawn and leaf collection, or construction cleanup.”

The thing to know is what the page doesn’t say next to its contractor sibling. The contractor bag’s page states 2 mil. This page states no thickness, and the brand’s own “value” label is the only signal of where it sits in the line. For leaves it is sold as the bag for the job. For a renovation, the page gives you nothing to set against the contractor bag’s number.

How we researched this

Every fact in this guide comes from each brand’s own website, read on the date each product record shows. Nothing was retrieved from a retailer listing. Thickness, closure, scent, size and disposal statements are quoted from each manufacturer and are the manufacturer’s own. None of the four pages states a pack count, so each record carries the bag’s capacity in gallons as its unit rather than a count the brand didn’t publish. Runlow has not tested any of these bags. No prices are shown. Every retailer link goes to a search results page for the exact product, not a specific listing, so it stays accurate regardless of what’s currently in stock.

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