Hefty Ultra Strong 33 Gallon Trash Bags are extra large with expandable strength. It's the #1 selling outdoor trash bag. Hefty Ultra Strong Flex Technology resists tears, punctures and leaks. Great for small business and everyday home use, this convenient cinch sack with a drawstring closure helps close bags quickly and easily to seal messy garbage. Heavy-duty trash bag for big cleanup jobs 1.05 mil construction ideal for even heavy garbage loads Triple Action Technology allows the bag to stretch to prevent leaks and tears