That's a great and very practical question! Yes, in most cases, the liners for outdoor trash bins can absolutely be purchased separately. Many people assume the liner is permanently attached or that you must buy a whole new bin, but that's typically not true.
Most standard outdoor trash cans, especially the popular wheeled models from brands like Rubbermaid, Simplehuman, or generic versions, are designed with a removable plastic liner or bucket. This inner liner is the part that actually holds the trash, making cleanup and disposal much easier. Over time, these liners can crack, become stained, or develop odors, so replacing just the liner is a cost-effective solution.
To find the right replacement, you'll need to check the brand and model of your trash bin. Often, there is a label or stamp on the bottom of the can or the liner itself. You can then search online retailers or the manufacturer's website using that model number to find an exact-fit liner. If the exact model is discontinued, measuring the interior dimensions (height, width, and depth) will help you find a compatible universal liner. Many hardware stores and home improvement centers also carry a selection of replacement liners.
So, before you consider replacing the entire outdoor bin, look for a separate liner—it can save you money and extend the life of your trash can.