Now, we enter the twilight zone of recycling, where things get a little fuzzy. Food containers, like pizza boxes and Chinese takeout containers, are often a mystery. Can they be recycled? The answer is... maybe. It depends on the type of material and whether it's soiled or not.
What goes in my bins? - Frankston City Council
Coffee cups are another recycling enigma. You'd think they're a simple paper product, but nope! Most coffee cups have a plastic liner that makes them non-recyclable. Who knew your daily caffeine fix was also a recycling villain?