Takeout Containers (Cardboard) Put in Garbage Cart/Bin Food and Liquid Soiled Containers Belong in the Garbage. Not Just Cardboard Cardboard takeout containers can’t be recycled because they’re often not just made of paper or cardboard; they’re usually lined with plastic or wax to prevent liquid from leaking through the container. Ways to Reduce Bring Your Own To-Go Container When dining out, bring a reusable to-go container so that you can bring leftovers home sustainably. Reusable Packaging For Businesses Check out Upstream’s catalog of reusable packaging and unpackaging innovators that provide ways for consumers to obtain products, mostly food and beverages, in returnable, reusable, or refillable packaging – or they deliver products to consumers unpackaged altogether. Did You Know? The Preferred Takeout Container Out of all the types of takeout containers — aluminum, cardboard, wax-lined paperboard, plastic and foam — aluminum is the easiest for recycling plants to recycle, while foam is the most difficult.