Blue Donuts 500 count 4 Gallon trash bags are built for the toughest of trash. Use these trash can liners in variety of places like Bathrooms, kitchen, offices, bedrooms and much more. perfectly Sized for all your small trash cans measuring 17" x 18". Constructed with you in mind our liners are 6 micron thick and have a rounded bottom to help prevent any leaks, making the trip from house to street nice and clean.